57. The least number by which 1470 must be divided to get a number which is a perfect square, is:
(A) 5
(B) 10
(C) 20
(D) 30
58. What is the least number which should be subtracted from 0.000326 to make it a perfect square?
(A) 0.000002
(B) 0.0000016
(C) 0.0002
(D) 0.002
59. When .36 is written in simplest fractions form, the sum of the numerator and the denominator is:
(A) 15
(B) 30
(C) 45
(D) 60
60. Which of the following fractions is the smallest?
(A)
(B)
(C)
(D)
61.The value of log343 7 is:
(A)
(B) 3
(C) – 3
(D) )
62. The value of
(A)
(B)
(C) 10
(D)
63. 49 × 49 × 49 × 49 = 7?
(A) 2
(B) 4
(C) 8
(D) 32
64.
(A)
(B)
(C)
(D)
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