## S.chand mathematics solution class 8 chapter 12 Fundamental concept and operations

EXERCISE 12 A QUESTION 1 Which of the following expressions are not polynomials ? (i) Sol : Yes , its a polynomial   (ii) Sol :   [∴ ] No , its not a polynomial[…]

## S.chand mathematics solution class 8 chapter 11 time and work

EXERCISE 11 A can do of the wwork in 12 days . In how many days can he complete of the work ? Tanu can do a piece of work in 24 days and Manisha[…]

## S.chand mathematics solution class 8 chapter 10 Direct and inverse variation

EXERCISE 10 A Given that y is directly proportional to x and y = 40 , when x = 200 . Find the value of (i) y , when x = 16 (ii) x when[…]

## S.chand mathematics solution class 8 chapter 9 simple interest and compound interest

EXERCISE 9 C What total amount will Ravi get in 3 years if he invest 5000 at 5% per annum , compounded annually ? A person borrowed 7500 at 16% per annum componded interest .[…]

## S.chand mathematics solution class 8 chapter 9 simple interest and compound interest

Exercise 9 (B) QUESTION 1 Find the amount and compound interest on 4000 at 12% p.a. for 2 years , compounded annually . Sol : Principal  for first year = 4000 and R = 12[…]

## S.chand mathematics solution class 8 chapter 9 simple interest and compound interest

Exercise 9 (A) QUESTION 1 What will be the simple interest for 1 year 4 months on a sum of 25800 at the rate of 14% p.a. ? Sol : We know = 4816  […]

## S.chand books class 8 maths solution chapter Profit,Loss and Discount Exercise 8B

Exercise 8B QUESTION 1 The marked price of a saree is ₹ 3800 . The shopkeeper offers a discount of 15% during sale time . What is the selling price of saree ? Sol :[…]

## NCERT solution class 7 chapter 8 Comparing Quantities exercise 8.3 mathematics

EXERCISE 8.3 QUESTION 1 Tell what is the prof‌it or loss in the following transactions. Also f‌ind prof‌it percent or loss percent in each case. (a) Gardening shears bought for Rs 250 and sold for[…]

## Blackberry publication class 8 maths chapter Algebraic Expression exercise 10A

Exercise 10(A) QUESTION 1 Identify the constant and variables from the following : (a) 5xyz Sol : Constant : 5 Variable : xyz (b) 7 Sol : Constant : 7 Variable : No variable (c)[…]

## Blackberry publication class 8 maths chapter comparing quantities exercise 9D

Exercise 9(A)   Exercise 9(B)   Exercise 9(C)   Exercise 9(D) EXERCISE 9(D) Question 1 Find the compound interest on ₹ 6,500 in 3 years at 10% per annum compounded annually. Sol : Principal for the first year[…]

## Blackberry publication class 8 maths chapter comparing quantities exercise 9C

Exercise 9(A)   Exercise 9(B)   Exercise 9(C)   Exercise 9(D) EXERCISE 9(C) QUESTION 1 An air conditioner is tested at ₹ 15000.What is the cost of the air conditioner to the customer, if he has to[…]

## Blackberry publication class 8 maths chapter comparing quantities exercise 9B

Exercise 9(A)   Exercise 9(B)   Exercise 9(C)   Exercise 9(D) EXERCISE 9(B) Question 1  Find the S.P. when M.P. =₹ 990 and discount = 10%. Sol : We know that Selling Price = Market Price –[…]

## Sanskrit translation of chapter 15 प्रहेलिका in hindi class 8

प्रहेलिका पाठ का परिचय पहेलियाँ मनोरंजन का एक प्राचीन विद्या (तरीका) है। ये लगभग संसार की सभी भाषाओं में उपलब्ध् हैं। संस्कृत के कवियों ने इस परम्परा को अत्यन्त समृद्ध किया है। पहेलियाँ हमें आनन्द[…]

## Sanskrit translation of chapter 14 आर्यभटः in hindi class 8

आर्यभटः पाठ का परिचय भारतवर्ष की अमूल्य निधि है ज्ञान-विज्ञान की सुदीर्घ परम्परा। इस परम्परा को सम्पोषित करने वाले प्रबुद्ध मनीषियों में अग्रगण्य थे-आर्यभट। दशमलव प(ति का प्रयोग सबसे पहले आर्यभट ने किया, जिसके कारण[…]

## Sanskrit translation of chapter 13 हिमालयः in hindi class 8

हिमालयः पाठ का परिचय यह पाठ महाकवि कालिदास द्वारा लिखित ‘कुमार सम्भव’ नामक महाकाव्य के प्रथम सर्ग से लिया गया है। इन पद्यों में हिमालय की प्राकृतिक सुषमा का वर्णन किया गया है।   (क)[…]

## Sanskrit translation of chapter 12 कः रक्षति कः रक्षितः in hindi class 8

कः रक्षति कः रक्षितः पाठ का परिचय यह पाठ पर्यावरण पर केन्द्रित है। प्लास्टिक पर्यावरण के लिए घातक है, लेकिन इसका हमारे जीवन में इस सीमा तक प्रवेश हो चुका है कि इसके बिना दैनिक[…]

## Sanskrit translation of chapter 11 सावित्री बाई फुले in hindi class 8

सावित्री बाई फुले पाठ का परिचय   शिक्षा हमारा अधिकार है। हमारे समाज के कई समुदायों को, जो लम्बे समय तक इससे वंचित रहे, इस अधिकार को पाने के लिए लम्बा संघर्ष करना पड़ा। इसकी प्राप्ति[…]

## Sanskrit translation of chapter 10 अशोक वनिका in hindi class 8

अशोक वनिका पाठ का परिचय यह पाठ आदि कवि वाल्मीकिकृत रामायण के सुन्दरकाण्ड के पन्द्रहवें सर्ग से लिया गया है। हनुमान जी सीता जी की खोज में जब लंका में प्रवेश करते हैं तो वहाँ[…]

## Sanskrit translation of chapter 9 सप्तभगिन्यः in hindi

सप्तभगिन्यः पाठ का परिचय सप्तभगिनी-यह एक उपनाम है। उत्तर-पूर्व के सात राज्य विशेष को उक्त उपाधि दी गई है। इन राज्यों का प्राकृतिक सौन्दर्य अत्यन्त विलक्षण है। इनकी सांस्कृतिक और सामाजिक विशेषता को ध्यान में[…]

## Sanskrit translation of chapter 8 संसारसागरस्य नायकाः in hindi

संसारसागरस्य नायकाः पाठ का परिचय यह पाठ अनुपम मिश्रा द्वारा लिखित ‘आज भी खरे हैं तालाब’ में संकलित ‘संसार सागर के नायक’ नामक अध्याय से लिया गया है। लेखक ने यहाँ पानी के लिए मानव निर्मित[…]

## Sanskrit translation of chapter 6 प्रेमलस्य प्रेमल्याश्च कथा in hindi class 8

प्रेमलस्य प्रेमल्याश्च कथा पाठ का परिचय प्रस्तुत कहानी शिक्षाविद् गिजु भाई (1885-1939) की रचना ‘पेमला पेमली की कहानी’ का अनुवाद है। इस कहानी में एक महिला घरेलू कामों को पूरा करने की अपनी पारम्परिक भूमिका[…]

## Sanskrit translation of chapter 7 जलवाहिनी in hindi class 8

जलवाहिनी पाठ का परिचय यह गीत भोजपुरी लोकगीत का अनुवाद है। इसमें गाँव की पानी भरने वाली स्त्राी का चित्राण किया गया है। कुएँ से घड़े में जल भरकर लाते समय उसके मन में आने[…]

## Sanskrit translation of chapter 5 धर्मे धमनं पापे पुण्यम in hindi class 8

धर्मे धमनं पापे पुण्यम पाठ का परिचय यह कथा पंचतंत्र की शैली में लिखी गई है। यह लोककथा मध्यप्रदेश के डिण्डोरी जिले में परधानों के बीच प्रचलित है। इस कथा में बताया गया है कि[…]

## Sanskrit translation of chapter 4 सदैव पुरतो निधेहि चरणम  in hindi class 8

सदैव पुरतो निधेहि चरणम  पाठ का परिचय श्रीधरभास्कर वर्णेकर ने अपने इस गीत में चुनौतियों को स्वीकार करते हुए आगे बढ़ने का आह्नान किया है। श्रीधर राष्ट्रवादी कवि हैं जिन्होंने इस गीत के द्वारा जागरण[…]

## Sanskrit translation of chapter 3 भगवदज्जुकम in hindi

भगवदज्जुकम पाठ का परिचय भगवदज्जुकम् संस्कृत का एक प्रसिद्ध प्रहसन है। इसकी रचना बोधयन द्वारा की गई है। इसमें एक गणिका जिसका नाम वसन्तसेना है अपनी परभृतिका नामक सेविका के साथ उद्यान में विहार के लिए आती[…]

## Sanskrit translation of chapter 2 बिलस्य वाणी न कदापि मे श्रुता in hindi

बिलस्य वाणी न कदापि मे श्रुता पाठ का परिचय प्रस्तुत पाठ संस्कृत के प्रसिद्ध कथाग्रन्थ ‘पञ्चतन्त्रम्’ के तृतीय तंत्र ‘काकोलूकीयम्’ से संकलित है। पञ्चतंत्र के मूल लेखक विष्णुशर्मा हैं। इसमें पाँच खण्ड हैं जिन्हें ‘तंत्र’[…]

## Sanskrit translation chapter सूभाषितानि class 8 in hindi

सूभाषितानि पाठ का परिचय  ‘सुभाषित’ शब्द सु + भाषित दो शब्दों के मेल से बना है। सु का अर्थ है- सुन्दर, मधुर और भाषित का अर्थ है- वचन। इस प्रकार सुभाषित का अर्थ है- सुन्दर/मधुर[…]

## NCERT solution class 8 chapter 16 Playing with numbers

Exercise 16.1   Exercise 16.2 Exercise 16.2 Question 1 If 21y5 is a multiple of 9, where y is a digit, what is the value of y? Sol : If a number is a multiple of[…]

## NCERT solution class 8 chapter 16 Playing with numbers

Exercise 16.1   Exercise 16.2 Exercise 16.1 Question 1 Find the values of the letters in the following and give reasons for the steps involved. Sol : The addition of A and 5 is giving 2[…]

## NCERT solution class 8 chapter 15 Introduction to Graphs

Exercise 15.1   Exercise 15.2   Exercise 15.3 Exercise 15.3 Question 1  Draw the graphs for the following tables of values, with suitable scales on the axes. (a) Cost of apples Number of apples 1 2 3[…]

## NCERT solution class 8 chapter 15 Introduction to Graphs

Exercise 15.1   Exercise 15.2   Exercise 15.3 Exercise 15.2 Question 1  Plot the following points on a graph sheet. Verify if they lie on a line (a) A(4, 0), B(4, 2), C(4, 6), D(4, 2.5) (b)[…]

## NCERT solution class 8 chapter 15 Introduction to Graphs

Exercise 15.1   Exercise 15.2   Exercise 15.3 Exercise 15.1 Question 1  The following graph shows the temperature of a patient in a hospital, recorded every hour. (a) What was the patient’s temperature at 1 p.m.? (b)[…]

## NCERT solution class 8 chapter 14 Factorisation

Exercise 14.1   Exercise 14.2   Exercise 14.3   Exercise 14.4 Exercise 14.4 Question 1  Find and correct the errors in the statement: 4(x − 5) = 4x − 5 Sol : L.H.S. = 4(x − 5) =[…]

## NCERT solution class 8 chapter 14 Factorisation

Exercise 14.1   Exercise 14.2   Exercise 14.3   Exercise 14.4 Exercise 14.3 Question 1  Carry out the following divisions. (i) 28×4 ÷ 56x (ii) −36y3 ÷ 9y2 (iii) 66pq2r3 ÷ 11qr2 (iv) 34x3y3z3 ÷ 51xy2z3 (v) 12a8b8[…]

## NCERT solution class 8 chapter 14 Factorisation

Exercise 14.1   Exercise 14.2   Exercise 14.3   Exercise 14.4 Exercise 14.2 Question 1  Factorise the following expressions. (i) a2 + 8a + 16 (ii) p2 − 10p + 25 (iii) 25m2 + 30m + 9 (iv)[…]

## NCERT solution class 8 chapter 14 Factorisation

Exercise 14.1   Exercise 14.2   Exercise 14.3   Exercise 14.4 Exercise 14.1 Question 1  Find the common factors of the terms (i) 12x, 36 (ii) 2y, 22xy (iii) 14pq, 28p2q2 (iv) 2x, 3×2, 4 (v) 6abc, 24ab2,[…]

## NCERT solution class 8 chapter 13 Direct and Inverse proportions

Exercise 13.1   Exercise 13.2 Exercise 13.2 Question 1  Which of the following are in inverse proportion? (i) The number of workers on a job and the time to complete the job. (ii) The time taken[…]

## NCERT solution class 8 chapter 13 Direct and Inverse proportions

Exercise 13.1   Exercise 13.2 Exercise 13.1 Question 1  Following are the car parking charges near a railway station up to 4 hours Rs 60 8 hours Rs 100 12 hours Rs 140 24 hours Rs[…]

## NCERT solution class 8 chapter 12 Exponents and Power

Exercise 12.1   Exercise 12.2 Exercise 12.2 Question 1 Express the following numbers in standard form. (i) 0.0000000000085 (ii) 0.00000000000942 (iii) 6020000000000000 (iv) 0.00000000837 (v) 31860000000 Sol : (i) 0.0000000000085 = 8.5 × 10−12 (ii) 0.00000000000942[…]

## NCERT solution class 8 chapter 12 Exponents and Power

Exercise 12.1   Exercise 12.2 Exercise 12.1 Question 1 Evaluate (i) 3−2 (ii) (−4)−2 (iii) Sol : (i) (ii) (iii)     Question 2 Simplify and express the result in power notation with positive exponent. (i)[…]

## NCERT solution class 8 chapter 11 Mensuration

Exercise 11.1   Exercise 11.2   Exercise 11.3   Exercise 11.4 Exercise 11.4 Question 1 Given a cylindrical tank, in which situation will you find surface area and in which situation volume. (a) To find how much it[…]

## NCERT solution class 8 chapter 11 Mensuration

Exercise 11.1   Exercise 11.2   Exercise 11.3   Exercise 11.4 Exercise 11.3 Question 1 There are two cuboidal boxes as shown in the adjoining figure. Which box requires the lesser amount of material to make? Sol :[…]

## NCERT solution class 8 chapter 11 Mensuration

Exercise 11.1   Exercise 11.2   Exercise 11.3   Exercise 11.4 Exercise 11.2 Question 1 The shape of the top surface of a table is a trapezium. Find its area if its parallel sides are 1 m and[…]

## NCERT solution class 8 chapter 11 Mensuration

Exercise 11.1   Exercise 11.2   Exercise 11.3   Exercise 11.4 Exercise 11.1 Question 1 A square and a rectangular field with measurements as given in the figure have the same perimeter. Which field has a larger area?[…]

## NCERT solution class 8 chapter 10 Visualising Solid Shapes

Exercise 10.1  Exercise 10.2  Exercise 10.3 Exercise 10.3 Question 1 Can a polyhedron have for its faces (i) 3 triangles? (ii) 4 triangles? (iii) a square and four triangles? Sol : (i) No, such a polyhedron is[…]

## NCERT solution class 8 chapter 10 Visualising Solid Shapes

Exercise 10.1  Exercise 10.2  Exercise 10.3 Exercise 10.2 Question 1 Look at the given map of a city. Answer the following. (a) Colour the map as follows: Blue − water plant, red − fire station, orange −[…]

## NCERT solution class 8 chapter 10 Visualising Solid Shapes

Exercise 10.1  Exercise 10.2  Exercise 10.3 Exercise 10.1 Question 1 For each of the given solid, the two views are given. Match for each solid the corresponding top and front views. Sol : The given solids, matched[…]

## NCERT solution class 8 chapter 9 Algebraic Expression and Identities

Exercise 9.1  Exercise 9.2  Exercise 9.3  Exercise 9.4  Exercise 9.5 Exercise 9.4 Question 1 Multiply the binomials. (i) (2x + 5) and (4x − 3) (ii) (y − 8) and (3y − 4) (iii) (2.5l − 0.5m) and[…]

## NCERT solution class 8 chapter 9 Algebraic Expression and Identities

Exercise 9.1  Exercise 9.2  Exercise 9.3  Exercise 9.4  Exercise 9.5 Exercise 9.5 Question 1 Use a suitable identity to get each of the following products. (i) (x + 3) (x + 3) (ii) (2y + 5) (2y +[…]

## NCERT solution class 8 chapter 9 Algebraic Expression and Identities

Exercise 9.1  Exercise 9.2  Exercise 9.3  Exercise 9.4  Exercise 9.5 Exercise 9.3 Question 1 Carry out the multiplication of the expressions in each of the following pairs. (i) 4p, q + r (ii) ab, a − b (iii)[…]

## NCERT solution class 8 chapter 9 Algebraic Expression and Identities

Exercise 9.1  Exercise 9.2  Exercise 9.3  Exercise 9.4  Exercise 9.5 Exercise 9.2 Question 1 Find the product of the following pairs of monomials. (i) 4, 7p (ii) − 4p, 7p (iii) − 4p, 7pq (iv) 4p3, − 3p[…]

## NCERT solution class 8 chapter 9 Algebraic Expression and Identities

Exercise 9.1  Exercise 9.2  Exercise 9.3  Exercise 9.4  Exercise 9.5 Exercise 9.1 Question 1 Identify the terms, their coefficients for each of the following expressions. (i) 5xyz2 − 3zy (ii) 1 + x + x2 (iii) 4x2y2 −[…]

## NCERT solution class 8 chapter 8 Comparing quantities

Exercise 8.1  Exercise 8.2  Exercise 8.3 Exercise 8.3 Question 1 Calculate the amount and compound interest on (a) Rs 10800 for 3 years at per annum compounded annually. Sol : (a) Principal (P) = Rs[…]

## NCERT solution class 8 chapter 8 Comparing quantities

Exercise 8.1  Exercise 8.2  Exercise 8.3 Exercise 8.2 Question 1 A man got a 10% increase in his salary. If his new salary is Rs 1,54,000, find his original salary. Sol : Let the original[…]

## NCERT solution class 8 chapter 8 Comparing quantities

Exercise 8.1  Exercise 8.2  Exercise 8.3 Exercise 8.1 Question 1 Find the ratio of the following: (a) Speed of a cycle 15 km per hour to the speed of scooter 30 km per hour. (b)[…]

## NCERT solution class 8 chapter 7 Cube and Cube roots

Exercise 7.1  Exercise 7.2 Exercise 7.2 Question 1 Find the cube root of each of the following numbers by prime factorization method. (i) 64 Sol : (i) Prime factorization of ∴   (ii) 512 Sol[…]

## NCERT solution class 8 chapter 7 Cube and Cube roots

Exercise 7.1  Exercise 7.2 Exercise 7.1 Question 1 Which of the following numbers are not perfect cubes? (i) 216 (ii) 128 (iii) 1000 (iv) 100 (v) 46656 Sol : (i) The prime factorization of 216[…]

## NCERT Solutions for class 8 Maths chapter 6 Square and square roots

Exercise 6.1  Exercise 6.2  Exercise 6.3  Exercise 6.4 Exercise 6.3 Question 1 What could be the possible ‘one’s’ digits of the square root of each of the following numbers? (i) 9801 (ii) 99856 (iii) 998001[…]

## NCERT Solutions for class 8 Maths chapter 6 Square and square roots

Exercise 6.1  Exercise 6.2  Exercise 6.3  Exercise 6.4 Exercise 6.4 Question 1 Find the square root of each of the following numbers by division method. (i) 2304 Sol : (i) The square root of 2304[…]

## NCERT Solutions for class 8 Maths chapter 6 Square and square roots

Exercise 6.1  Exercise 6.2  Exercise 6.3  Exercise 6.4 Exercise 6.1 Question 1 What will be the unit digit of the squares of the following numbers? (i) 81 (ii) 272 (iii) 799 (iv) 3853 (v) 1234[…]

## NCERT Solutions for class 8 Maths chapter 6 Square and square roots

Exercise 6.1  Exercise 6.2  Exercise 6.3  Exercise 6.4 Exercise 6.2 Question 1 Find the square of the following numbers (i) 32 (ii) 35 (iii) 86 (iv) 93 (v) 71 (vi) 46 Sol : (i) 322[…]

## NCERT Solutions for class 8 Maths chapter 5 Data handling

Exercise 5.1    Exercise 5.2   Exercise 5.3 Exercise 5.3 Question 1 List the outcomes you can see in these experiments. (a) Spinning a wheel (b) Tossing two coins together Sol : (a) On spinning the[…]

## NCERT Solutions for class 8 Maths chapter 5 Data handling

Exercise 5.1    Exercise 5.2   Exercise 5.3 Exercise 5.2   Question 1 A survey was made to find the type of music that a certain group of young people liked in a city. Adjoining pie[…]

## NCERT Solutions for class 8 Maths chapter 5 Data handling

Exercise 5.1    Exercise 5.2   Exercise 5.3 Exercise 5.1 Question 1 For which of these would you use a histogram to show the data? (a) The number of letters for different areas in a postman’s[…]

## NCERT Solutions for class 8 Maths chapter 4 Practical geometry

Exercise 4.1  Exercise 4.2  Exercise 4.3  Exercise 4.4  Exercise 4.5 Exercise 4.5 Question 1 Draw the following: The square READ with RE = 5.1 cm Sol : All the sides of a square are of[…]

## NCERT Solutions for class 8 Maths chapter 4 Practical geometry

Exercise 4.1  Exercise 4.2  Exercise 4.3  Exercise 4.4  Exercise 4.5 Exercise 4.4 Question 1 Construct the following quadrilaterals, (i) Quadrilateral DEAR DE = 4 cm EA = 5 cm AR = 4.5 cm ∠E =[…]

## NCERT Solutions for class 8 Maths chapter 4 Practical geometry

Exercise 4.1  Exercise 4.2  Exercise 4.3  Exercise 4.4  Exercise 4.5 Exercise 4.3 Question 1 Construct the following quadrilaterals. (i) Quadrilateral MORE MO = 6 cm OR = 4.5 cm ∠M = 60° ∠O = 105°[…]

## NCERT Solutions for class 8 Maths chapter 4 Practical geometry

Exercise 4.1  Exercise 4.2  Exercise 4.3  Exercise 4.4  Exercise 4.5 Exercise 4.2 Question 1 Construct the following quadrilaterals. (i) Quadrilateral LIFT LI = 4 cm IF = 3 cm TL = 2.5 cm LF =[…]

## NCERT Solutions for class 8 Maths chapter 4 Practical geometry

Exercise 4.1  Exercise 4.2  Exercise 4.3  Exercise 4.4  Exercise 4.5 Exercise 4.1 Question 1 Construct the following quadrilaterals. (i) Quadrilateral ABCD AB = 4.5 cm BC = 5.5 cm CD = 4 cm AD =[…]

## NCERT Solutions for class 8 Maths chapter 3 Understanding Quadrilaterals

Exercise 3.1  Exercise 3.2  Exercise 3.3  Exercise 3.4 Exercise 3.4 Question 1 State whether True or False. (a) All rectangles are squares. (b) All rhombuses are parallelograms. (c) All squares are rhombuses and also rectangles.[…]

## NCERT Solutions for class 8 Maths chapter 3 Understanding Quadrilaterals

Exercise 3.1  Exercise 3.2  Exercise 3.3  Exercise 3.4 Exercise 3.3 Question 1 Given a parallelogram ABCD. Complete each statement along with the definition or property used. (i) AD = … (ii) ∠DCB = … (iii)[…]

## NCERT Solutions for class 8 Maths chapter 3 Understanding Quadrilaterals

Exercise 3.1  Exercise 3.2  Exercise 3.3  Exercise 3.4 Exercise 3.2 Question 1 Find x in the following figures. (a) Sol : We know that the sum of all exterior angles of any polygon is 360º.[…]

## NCERT Solutions for class 8 Maths chapter 3 Understanding Quadrilaterals

Exercise 3.1  Exercise 3.2  Exercise 3.3  Exercise 3.4 Exercise 3.1 Question 1 Given here are some figures. (1) (2) (3) (4) (5) (6) (7) (8) Classify each of them on the basis of the following.[…]

## NCERT Solutions for class 8 Maths chapter 2 Linear Equation In One Variable

Exercise 2.1  Exercise 2.2  Exercise 2.3  Exercise 2.4  Exercise 2.5  Exercise 2.6 Exercise 2.6 Question 1 : Solve : ​$$\dfrac{8x-3}{3x}=2$$​ Sol :  ​$$\dfrac{8x-3}{3x}=2$$​ On multiplying both sides by 3x , we obtain 8x -3 = 6x 8x[…]

## NCERT Solutions for class 8 Maths chapter 2 Linear Equation In One Variable

Exercise 2.1  Exercise 2.2  Exercise 2.3  Exercise 2.4  Exercise 2.5  Exercise 2.6 Exercise 2.5  Question 1 : Solve the linear equation  ​$$\dfrac{x}{2}-\dfrac{1}{5}=\dfrac{x}{3}+\dfrac{1}{4}$$​ Sol : ​$$\dfrac{x}{2}-\dfrac{1}{5}=\dfrac{x}{3}+\dfrac{1}{4}$$​ L.C.M of the denominators 2, 3, 4, and 5 is 60[…]

## NCERT Solutions for class 8 Maths chapter 2 Linear Equation In One Variable

Exercise 2.1  Exercise 2.2  Exercise 2.3  Exercise 2.4  Exercise 2.5  Exercise 2.6 Exercise 2.4 Question 1: Amina thinks a number and subtracts ​$$\dfrac{5}{2}$$​ from it . She multiplies the result by 8. The result now obtained is 3 times[…]

## NCERT Solutions for class 8 Maths chapter 2 Linear Equation In One Variable

Exercise 2.1  Exercise 2.2  Exercise 2.3  Exercise 2.4  Exercise 2.5  Exercise 2.6 EXERCISE 2.2 Question 1 : If you subtract ​$$\dfrac{1}{2}$$​ from a number and multiply the result by ​$$\dfrac{1}{2}$$​ , you get ​$$\dfrac{1}{8}$$​. What is the[…]

## NCERT Solutions for class 8 Maths chapter 2 Linear Equation In One Variable

Exercise 2.1  Exercise 2.2  Exercise 2.3  Exercise 2.4  Exercise 2.5  Exercise 2.6 EXERCISE 2.3 Question 1 : Solve and check result : 3x = 2x + 18 Sol : 3x = 2x + 18 On transposing 2x to L.H.S ,[…]

## NCERT Solutions for class 8 Maths chapter 2 Linear Equation In One Variable

Exercise 2.1  Exercise 2.2  Exercise 2.3  Exercise 2.4  Exercise 2.5  Exercise 2.6 EXERCISE 2.1 Question 1 : Solve : x – 2=7 sol : x – 2=7 On transposing 2 to R.H.S , we obtain  x = 7 + 2[…]

## NCERT Solution for class 8 chapter 1 RATIONAL NUMBER

Exercise 1.1 Exercise 1.2 EXERCISE 1.2 Question 1 :  Represent these numbers on the number line. (i)  Sol: can be represented on the number line as follows.   (ii) Sol : can be represented on[…]

## NCERT Solution for class 8 chapter 1 RATIONAL NUMBER

Exercise 1.1 Exercise 1.2 EXERCISE 1.1   Question 1 Using appropriate properties find . (i) sol : = 2   (ii) sol :   Question 2 : Write the additive inverse of each of the[…]

## Blackberry publication class 8 maths chapter comparing quantities

Exercise 9(A)   Exercise 9(B)   Exercise 9(C)   Exercise 9(D) COMPARING QUANTITIES EXERCISE 9(A) QUESTION 1 Express each of the following ratios in the simplest form: (a) 3 kg 500 g : 4 kg 250 g[…]

## Blackberry publication class 8 maths chapter rational number

RATIONAL NUMBERS EXERCISE 2(A) 1.Using properties find: (a) Sol : using property Take L.C.M of  14 and 56 is 56 2 14 , 56 2 4 , 28 2 2, 14 7 1, 7 1,[…]

CUBE AND CUBE ROOTS   EXERCISE 8(A) 1.Find the cubes of : (a) 2.4 (b) 0.2.5 (c) 40 (d) 51 (e) 1.4 (f) 0.09 (g) ​$$3\dfrac{7}{4}$$​ (h) ​$$\dfrac{6}{7}$$​ (i) ​$$2\dfrac{18}{11}$$​ (j) ​$$1\dfrac{6}{17}[…] Continue reading … ## Blackberry publications class 8 maths Square and Square roots SQUARES AND SQUARE ROOTS EXERCISE 7(A) 1.Write the unit’s digits of the following numbers: (a)93 (b)72 (c)546 (d)931 2.Without actual squaring find the value of: (a)​\( 22^2-21^2$$​ (b)​$$685^2-684^2$$​ (c)​$$108^2-107^2[…] Continue reading … ## S.chand books class 8 maths solution chapter Profit,Loss and Discount PROFIT,LOSS AND DISCOUNT EXERCISE 8 (A) QUESTION 1 A peon purchased a chair for ₹ 700, spent ₹ 170 on its repair and ₹ 30 on the cartage.If he sold the chair for ₹ 1080,[…] Continue reading … ## S.chand books class 8 maths solution chapter playing with numbers PLAYING WITH NUMBERS EXERCISE 5 (A) QUESTION 1 The sum of the digits of a 2 digit number is 9.The numbers is 6 times the unit digit.Find the number. Sol : The sum of two[…] Continue reading … ## S.chand books class 8 maths solution chapter cube and cube roots CUBE AND CUBE ROOTS EXERCISE 4 (A) 1.Write (T) for True or (F) for false: (i) The cube root of 8000 is 200. (ii) Each prime factor appears 3 times in its cube. (iii) ​\([…] Continue reading … ## Blue ray books class 8 maths solution chapter cube and cube roots CUBE AND CUBE ROOTS EXERCISE (A) 1.Find the cube of : (a) 2.4 (b) 0.25 (c) 40 (d) 51 (e) 1.4 (f) 0.09 (g) ​\( 3\dfrac{4}{5}$$​ (h) ​$$\dfrac{6}{7}$$​ (i) ​$$2\dfrac{8}{11}$$​ (j) $$1\dfrac{6}{17}[…] Continue reading … ## Blue ray books class 8 maths solution chapter square and square root Square and Square root EXERCISE (A) 1.Write the unit’s digits of the squares of the following numbers. (a) 93 (b) 72 (c) 546 (d) 931 2.Without actual squaring find the value of: (a) ​\( 22^2-21^2$$​ (b)$$685^2-684^2$$[…]
Square and Square root   Exercise 3 (A)   1.Find the square of the following numbers : (i) 15 (ii) 48 (iii) ​$$\dfrac{6}{7}$$​ (iv) ​$$\dfrac{21}{25}$$​ (v) ​$$6\dfrac{3}{8}$$​ (vi) 0.9 (vii) 1.1 (viii) 0.018 2.Determine whether square of[…]