q: Mice can multiply very fast. Adult mice can give birth once every month, and baby mice grow into adult mice in just two months after they are born. If you would buy a baby mouse just after it was born, how many mice would you have in 10 months?
Options:
(A) 1
(B) 2
(C) 3
(D) 4
(E) 5
a: Stream of consciousness: One. You cannot have more mice if you start with one! The answer is (A).

question: During a sale, the price of a pair of shoes is marked down 10% from the regular price. After the sale ends, the price goes back to the original price. What is the percent of increase to the nearest percent from the sale price back to the regular price for the shoes?
Options:
(A) 9%
(B) 10%
(C) 11%
(D) 15%
(E) 90%
answer: Stream of consciousness: Assume the price = 100
Price during sale = 90
Price after sale = 100
Percent increase = 10/90*100 = 11% approx. The answer is (C).

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

question: A train 250 m long running at 72 kmph crosses a platform in 50 sec. What is the length of the platform?
Options:
(A) 150m
(B) 200m
(C) 250m
(D) 750m
(E) 300 m
answer: Stream of consciousness: D = 72 * 5/18 = 50 = 1000 250 = 750m The answer is (D).

q: If 4 men can reap 40 acres of land in 15 days, how many acres of land can 16 men reap in 30 days?
Options:
(A) 320
(B) 240
(C) 369
(D) 489
(E) 125
a: Stream of consciousness: 4 men 40 acres 15 days
16 men ? 30 days
40 * 16/4 * 30/15
40 * 4 * 2
40 * 8 = 320 The answer is (A).

q: Four of the following five parts numbered (a), (b), (c), (d) and (e) are exactly equal. The number of the part which is not equal to the other four parts is your answer.
Options:
(A) 85 17 110
(B) 45 6 + 75 4
(C) 175 25 75 + 5(2)
(D) 36 4 + 21(2) 7 5
(E) 65 12 46 5
a:
Stream of consciousness: Except it, others are equal to 550. The answer is (B).