q: How many terminating zeroes E does 200! have?
Options:
(A) 40
(B) 48
(C) 49
(D) 55
(E) 64
a: Stream of consciousness: You have 40 multiples of 5, 8 of 25 and 1 of 125. This will give 49 zeros. The answer is (C).
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q: Find the third proportional to 2 and 8?
Options:
(A) 10
(B) 32
(C) 36
(D) 19
(E) 20
a: Stream of consciousness: Formula = Third proportional = (b b)/a
A = 2 and B = 8
(8 x 8 )/ 2 = 64/2 = 32 The answer is (B).
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q: Find the simple interest on Rs.500 for 9 months at 6 paisa per month?
Options:
(A) 238
(B) 270
(C) 987
(D) 167
(E) 121
a:
Stream of consciousness: I = (500*9*6)/100 = 270 The answer is (B).
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