46. The cube root of a number x is denoted by
- (A) ±∛x
- (B) ∛x
- (C) –∛x
- (D) None of these
45. How many zeros will be there in the cube of 100?
- (A) 5
- (B) 8
- (C) 9
- (D) 6
44. The cube of 0.3 is
- (A) 0.207
- (B) 0.27
- (C) 0.0027
- (D) 0.027
43. Cube of 1.2 is
- (A) 17.38
- (B) 1.728
- (C) 1.718
- (D) 17.28
42. The cube root of 729 is
- (A) 13
- (B) 23
- (C) 9
- (D) 19
41. How many times each prime factor appears in its cube?
- (A) 1
- (B) 2
- (C) 3
- (D) 4
40. The cube of 0.4 is 0.064.
- (A) 0.64
- (B) 0.604
- (C) 0.064
- (D) 0.046
39. The cube root of 8000 is
- (A) 40
- (B) 20
- (C) 200
- (D) 400
38. ∛1000 is equal to
- (a) 10
- (b) 100
- (c) 1
- (d) None of these
37. The one’s digit of the cube of 23 is
- (a) 6
- (b) 7
- (c) 3
- (d) 9
36. Which of the following numbers is a perfect cube?
- (a) 243
- (b) 216
- (c) 392
- (d) 8640
35. Which of the following numbers is not a perfect cube?
- (a) 216
- (b) 567
- (c) 125
- (d) 343
34. Cube of a number ending in 7 will end in the digit
- (A) 5
- (B) 3
- (C) 2
- (D) 4
33. The cube of an odd number is always
- (A) an even number
- (B) an odd number
- (C) a multiple of 3
- (D) a multiple of 7
32. How many perfect cubes are there between the numbers 1 and 100?
- (A) 1
- (B) 2
- (C) 3
- (D) 4
31. Number of perfect cubes between 102 and 123 is
- (A) 13
- (B) 23
- (C) 9
- (D) 19