q: John makes $60 a week from his job. He earns a raise andnow makes $75 a week. What is the % increase?
Options:
(A) 16.12%
(B) 25%
(C) 16.56%
(D) 17.66%
(E) 18.1%
a: Stream of consciousness: Increase = (15/60)*100 = (1/4)*100 = 25%. The answer is (B).

question: A no. when divided by the sum of 555 and 445 gives 2times their difference as quotient & 30 as remainder. Find the no. is?
Options:
(A) 124432
(B) 145366
(C) 157768
(D) 178432
(E) 220030
answer: Stream of consciousness: (555 + 445) * 2 * 110 + 30 = 220000 + 30 = 220030 The answer is (E).

q: Which one of the following is not a prime number?
Options:
(A) 31
(B) 61
(C) 71
(D) 91
(E) 101
a: Stream of consciousness: 91 is divisible by 7. So, it is not a prime number. The answer is (D).

question: Which of the following is a prime number ?
Options:
(A) 90
(B) 94
(C) 96
(D) 97
(E) 98
answer: Stream of consciousness: Clearly, 97 is a prime number. The answer is (D).

q: 10, 14, 16, 18, 21, 24, 26
Options:
(A) 17
(B) 20
(C) 21
(D) 25
(E) 26
a: Stream of consciousness: Each of the numbers except 21 is an even number The answer is (C).

q: A pipe can fill a cistern in 20 minutes whereas the cistern when fill can be emptied by a leak in 60 minutes. When both pipes are opened, find when the cistern will be full?
Options:
(A) 17 minutes
(B) 87 minutes
(C) 30 minutes
(D) 27 minutes
(E) 11 minutes
a:
Stream of consciousness: 1/20 - 1/60 = 1/30
30 minutes The answer is (C).