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S.chand books class 8 maths solution chapter 3 Square and Square Roots exercise 3 C

Exercise 3 (C)

 


Question 1 

Find the square root of each of the following numbers.

(i) 152.7696

(ii) 49.7025

(iii) 64.0324

(iv) 291.7264

(v) 81.108036

(vi) 0.000036

(vii) 0.00002809

(viii) 0.00033124


Question 2

The area of a square field is 577.4409 square meters. Find the length of one side of the field.


Question 13

Find the square root of the following numbers correct to 2 decimal places.

(i) 7

(ii) 32

(iii) 117

(iv) 512

(v) 789

(vi) 6153

(vii) 12.145956

(viii) 324.485


Question 4

Find the square root of each of the following fraction numbers up to 3 decimal places

(i) ​\dfrac{2}{7}

(ii) ​\dfrac{3}{5}


Question 5

Which of the following is closest to ​\sqrt{3}​ ?

(a) ​\dfrac{9}{5}

(b) 2

(c) ​\dfrac{173}{100}

(d) 1.69


Question 6

The number of decimal places in the square root of  a number is

(a)Twice the periods in the decimal part.

(b)Half the periods in the decimal part.

(c)Equal to period in the decimal part.

(d)Half the periods in the complete number.

Sol :

 


 

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