# 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) ​$$\sqrt[3]{27+64}=\sqrt[3]{27}+\sqrt[3]{64}$$

(iv) For an integer a, ​$$a^3$$​ is always greater than ​$$a^2$$​.

(v) The least number by which 72 must be divided to make it a perfect cube is 9.

### 2.Find the cubes of the following numbers.

(i) 8

(ii) ​$$-15$$

(iii) 600

### 3.

(i) ​ ​$$\dfrac{5}{6}$$

(ii) $$\dfrac{-7}{9}$$

(iii) ​$$1\dfrac{3}{5}$$

### 4.

(i) 0.03

(ii) 1.7

(iii) ​$$-0.008$$

### 5.Which of the following numbers are perfect cubes?

65, 128, 243, 512, 900, 1728, 4096

### 6.Find the cube root of the following numbers by prime factorization method.

(i) 5832

(ii) 91125

(iii) ​$$-9261$$

(iv) ​$$\dfrac{125}{343}$$

(v) ​$$-\dfrac{2744}{4096}$$

(vi) ​$$-5\dfrac{104}{125}$$

### 7.Evaluate:

(i) ​$$\sqrt[3]{1.331}$$

(ii) ​$$\sqrt[3]{0.003375}$$

(i) 1125

(ii) 6912

(iii) 47916

(i) 3584

(ii) 1458

(iii) 120393

### 10.Find the value of :

(i) ​$$\sqrt[3]{27}+\sqrt[3]{0.008}+\sqrt[3]{0.064}$$

(ii) ​$$\bigg\{(5^2+\sqrt{10^2})\bigg\}^3$$

(iii) ​$$\sqrt[3]{686}\times\sqrt[3]{500}$$

### 0 thoughts on “S.chand books class 8 maths solution chapter cube and cube roots”

1. Bestellen Sie Viagra, Cialis, Levitra, Kamagra, Celebrex, Propecia, Prozac bei.

Selecties. Causes, symptoms and treatment of erectile dysfunction ED, Cialis Viagra.

2. Pharmacy that provides safe affordable Canada drugs at discount prices. Prescription and Non Prescription Pharmacies.

Preise С†sterreich niedrige Kosten, 100mg kaufen billig, 25mg, billiges sildenafil.

3. Sildenafil preise apotheke online 10mg. Generisches Viagra kaufen, viagra 50mg online, Albanime.

Goods of vigra have been to raise the isps for effectiveness and for identity.

4. Compare prices and other prescription drug prices from verified.

Viagra ausprobieren, viagra preis apotheke, Filosoffen On-line. Generic and Viagra-Cialis-Levitra online without Prescription.

5. Sichere. This single head fits onto the leg of your rod stand.

Brand drugs online, Online Apotheke Holland Cialis. Viagra Online Apotheke, Approved Canadian Pharmacy.

6. Sexual particular health, man of viagra to limited challenges is online apotheke. Fast order delivery.

Avoid getting ripped off when you buy online without a prior prescription. Cialis Generika Auf Rechnung, Online Apotheke, easyVDR.

7. Pharmacy, Guaranteed Quality without prescription, Online Apotheke Viagra.

Generische Viagra erwerben, sildenafil frau, Techsavvymama On.

$${}$$