question: How much is 60% of 40 is greater than 4/5 of 30?
Options:
(A) 8
(B) 3
(C) 7
(D) 0
(E) 1
answer: Stream of consciousness: (60/100) * 40 (4/5) * 30
24 - 24 = 0 The answer is (D).

q: John makes $60 a week from his job. He earns a raise andnow makes $78 a week. What is the % increase?
Options:
(A) 16.12%
(B) 16.66%
(C) 30%
(D) 17.66%
(E) 18.1%
a: Stream of consciousness: Increase = (18/60)*100 = (3/10)*100 = 30%. The answer is (C).

question: Three pipes A, B and C can fill a tank from empty to full in 30 minutes, 20 minutes and 10 minutes respectively. When the tank is empty, all the three pipes are opened. A, B and C discharge chemical solutions P, Q and R respectively. What is the proportion of solution R in the liquid in the tank after 3 minutes?
Options:
(A) 6/17
(B) 6/11
(C) 6/18
(D) 6/19
(E) 6/10
answer: Stream of consciousness: Part filled by (A + B + C) in 3 minutes = 3(1/30 + 1/20 + 1/10) = 11/20
Part filled by C in 3 minutes = 3/10
Required ratio = 3/10 * 20/11 = 6/11 The answer is (B).

q: It was 7:00 when Bill looked at the clock, he looks at the clock again 30 minutes later. What time is it now?
Options:
(A) 7:30
(B) 7:00
(C) 8:00
(D) 1:28
(E) 2:40
a: Stream of consciousness: If it's 7:00 and 30 minutes pass buy, it will be 7:30 The answer is (A).

question: A train 480 m in length crosses a telegraph post in 16 seconds. The speed of the train is?
Options:
(A) 22 kmph
(B) 108 kmph
(C) 54 kmph
(D) 71 kmph
(E) 88 kmph
answer: Stream of consciousness: S = 480/16 * 18/5 = 108 kmph The answer is (B).

question: How much 90% of 40 is greater than 80% of 30?
Options:
(A) 12
(B) 14
(C) 16
(D) 17
(E) 18
answer:
Stream of consciousness: (90/100) * 40 (80/100) * 30
36 - 24 = 12 The answer is (A).