q: In what time will Rs.4000 lent at 3% per annum on simple interest earn as much interest as Rs.5000 will earn in 5 years at 4% per annum on simple interest?
Options:
(A) 5 years
(B) 6 years
(C) 7 years
(D) 9 years
(E) 15 years
a: Stream of consciousness: (4000*T*5)/100 = (5000*5*4)/100
T = 5 years The answer is (A).

question: Divide Rs.32000 in the ratio 1:9?
Options:
(A) 12000, 20000
(B) 12000, 200098
(C) 12000, 20007
(D) 3200, 28800
(E) 12000, 20001
answer: Stream of consciousness: 1/10 * 32000 = 3200
9/10 * 32000 = 28800 The answer is (D).

q: The population of a bacteria colony doubles every day. If it was started 3 days ago with 3 bacteria and each bacteria lives for 12 days, how large is the colony today?
Options:
(A) 512
(B) 1024
(C) 768
(D) 2048
(E) 4096
a: Stream of consciousness: 9 days ago- 2
8 days ago- 4
7 days ago- 8
6 days ago- 16
5 days ago- 32
4 days ago- 64
3 days ago- 128
2 days ago- 256
Yesterday- 512
Today- 1024 The answer is (B).

question: A no.when divided by 225 gives a remainder 43, what remainder will beobtained by dividingthe same no.17?
Options:
(A) 2
(B) 7
(C) 9
(D) 11
(E) 13
answer: Stream of consciousness: 225 + 43 = 268/17 = 13 (Remainder) The answer is (E).

q: Last year, Company X made q dollars in profit. One thrid of the profit went to the company's founder. The rest was split evenly among his four other partners. In terms of q, how much did each of the other partners receive?
Options:
(A) q/4
(B) q/5
(C) q/8
(D) q/6
(E) q/7
a: Stream of consciousness: Profit = q
Profit to company founder = q/3
Profit to other partners = 2q/3
Number of other partners = 4
Profit to each partner = (2q/3)/4 = q/6 The answer is (D).

q: A 240 meter long train crosses a man standing on the platform in 6 sec. What is the speed of the train?
Options:
(A) 228
(B) 144
(C) 1266
(D) 188
(E) 211
a:
Stream of consciousness: S = 240/6 * 18/5 = 144 kmph The answer is (B).