question: John makes $60 a week from his job. He earns a raise andnow makes $72 a week. What is the % increase?
Options:
(A) 20%
(B) 16.66%
(C) 16.56%
(D) 17.66%
(E) 18.1%
answer: Stream of consciousness: Increase = (12/60)*100 = (1/5)*100 = 20%. The answer is (A).

q: Rs. 1300 is divided into three parts A, B and C. How much A is more than C if their ratio is 1/2:1/3:1/4?
Options:
(A) 297
(B) 268
(C) 300
(D) 179
(E) 172
a: Stream of consciousness: 1/2:1/3:1/4 = 6:4:3
3/13*1300 = 300 The answer is (C).

question: A, B and C can do a work in 4 days, 8 days and 12 days respectively. In how many days can all three of them working together, complete the work?
Options:
(A) 2 2/3
(B) 2 2/8
(C) 2 2/0
(D) 2 2/2
(E) 2 2/11
answer: Stream of consciousness: Work done by all three of them in one day = 1/4 + 1/8 + 1/12 = 11/24
The number of days required = 24/11 = 2 2/11 days. The answer is (E).

q: The sale price shirts listed for Rs.400 after successive discount is 10% and 5% is?
Options:
(A) 280
(B) 290
(C) Rs.342
(D) 250
(E) 253
a: Stream of consciousness: 400*(90/100)* (95/100) = 342 The answer is (C).

question: In May Mrs Lee's earnings were 60 percent of the Lee family's total income. In June Mrs Lee earned 20 percent more than in May. If the rest of the family's income was the same both months, then, in June, Mrs Lee's earnings were approximately what percent of the Lee family's total income ?
Options:
(A) 64%
(B) 68%
(C) 72%
(D) 76%
(E) 80%
answer: Stream of consciousness: Say May income = 100
L's income = 60 and rest of the family = 40
In June L's income = 60 * 120 /100 = 72
So 72 /72 + 40 = 64% The answer is (A).

question: When tossed, a certain coin has equal probability of landing on either side. If the coin is tossed 3 times, what is the probability that it will land once on heads and twice tails?
Options:
(A) 1/3
(B) 1/6
(C) 1/4
(D) 1/8
(E) 1/5
answer:
Stream of consciousness: Must be once on heads and twice on tails
1/2*1/2*1/2 = 1/8 The answer is (D).