Q: The total population of city A and city B is 5000 more than the total population of city B and city C. How much lesser is the population in city C as compared to city A?
Options:
(A) 8500
(B) 3500
(C) 4500
(D) 5000
(E) 1500
A: OK... Stream of consciousness: (A + B) - (B + C) = 5000
A - C = 5000
The answer is (D).

Q: A train running at the speed of 60 km/hr crosses a pole in 12 sec. What is the length of the train?
Options:
(A) 287
(B) 699
(C) 677
(D) 168
(E) 200
A: OK... Stream of consciousness: Speed = 60 * 5/18 = 50/3 m/sec
Length of the train = speed * time = 50/3 * 12 = 200 m
The answer is (E).

Q: If 12 men can reap 120 acres of land in 36 days, how many acres of land can 54 men reap in 54 days?
Options:
(A) 277
(B) 810
(C) 888
(D) 166
(E) 199
A: OK... Stream of consciousness: 12 men 120 acres 36 days
54 men ? 54 days
120 * 54/12 * 54/36
10 * 54 * 3/2
54 * 15 = 810
The answer is (C).

Q: Twenty percent of Country Y's yearly exports come from fruit exports. One-fourth of all fruit exports from Country Y are orange exports. If country Y generates $20 million from its orange exports, how much money does it generate from its yearly total of exports?
Options:
(A) $21.25m
(B) $25.5m
(C) $106.25m
(D) $400m
(E) $153m
A:
OK... Stream of consciousness: 20/100*1/4*(total) = 20
1/20*(total) = 20
(total) = 20*20 = 400
The answer is (D).