Chapter 12) Cubes and Cube roots

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Q1. What is the cube of 3 ?

A) 24
B) 27
C) 9
D) 81

Q2. What is the value of (-5)³ ?

A) - 125
B) 125
C) 25
D) - 25

Q3. The cube root of 1728 is ............. .

A) 12
B) 14
C) 22
D) 32

Q4. Of which of the following number is 1331 the cube ?

A) -21
B)-11
C) -31
D) 23

Q5. The cube of the neagative number is always ............ number.

A) both positive and negative
B) decimal
C) positive
D) negative

Q6. Which of the following statement is wrong ?

A) 2³ = 8
B) 1³ = 1
C) 4³= 16
D) 10³= 1000

Q7. 6³ = ?

A)216
B)126
C)36
D)666

Q8. What is the cube root of 4096 ?

A) 24
B) 14
C) 18
D) 16

Q9. What is the cube of - 20 ?

A) 2000
B) 1600
C) 8000
D) 4000

Q10. What is the value of ( -15)³ ?

A)3375
B)3325
C)3275
D)3175