q: Find the wrong number below mentioned series
5,24,60,120,210,340
Options:
(A) 340
(B) 210
(C) 5
(D) 60
(E) none
a: Stream of consciousness: 5 is the only prime number or odd number in the series. The answer is (C).
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q: The average of first four prime numbers greater than 30 is?
Options:
(A) 38
(B) 20
(C) 30
(D) 40
(E) 50
a: Stream of consciousness: 31 + 37 + 41 + 43 = 152/4 = 38 The answer is (A).
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q: Find the simple interest on Rs.500 for 9 months at 6 paisa per month?
Options:
(A) Rs.345
(B) Rs.270
(C) Rs.275
(D) Rs.324
(E) Rs.325
a:
Stream of consciousness: I = (500*9*6)/100 = 270 The answer is (B).
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