question: How much is 80% of 40 is greater than 4/5 of 25?
Options:
(A) 15
(B) 57
(C) 16
(D) 12
(E) 73
answer: Stream of consciousness: (80/100) * 40 (4/5) * 25
32 - 20 = 12 The answer is (D).

q: A man invested Rs. 1552 in a stock at 97 to obtain an income of Rs. 128. The dividend from the stock is:
Options:
(A) 8%
(B) 6%
(C) 9%
(D) 10%
(E) 11%
a: Stream of consciousness: Rs 1552 income = Rs 128
By investing Rs 97 income = 128/1552*97 = Rs 8
Divdend = 8% The answer is (A).

question: If athul rows 16 km upstream and 24 km down steam taking 4 hours each, then the speed of the stream
Options:
(A) 1kmph
(B) 2 kmph
(C) 1.5 kmph
(D) 12 kmph
(E) 15 kmph
answer: Stream of consciousness: Speed upstream = 16/4 = 4 kmph
Speed down stream = 24/4 = 6 kmph
Speed of stream = (6-4) = 1 kmph The answer is (A).

q: In a division sum, the remainder is 8 and the divisor is 3 times the quotient and is obtained by adding 3 to the thrice of the remainder. The dividend is:
Options:
(A) 200
(B) 251
(C) 250
(D) 262
(E) 254
a: Stream of consciousness: Diver = (8*3)+3 = 27
3* Quotient = 27
Quotient = 9
Dividend = (Divisor * Quotient) + Remainder
Dividend = (27 * 9) + 8 = 251 The answer is (B).

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 Q in the liquid in the tank after 3 minutes?
Options:
(A) 1/11
(B) 2/11
(C) 3/11
(D) 4/11
(E) 5/11
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 B in 3 minutes = 3/20
Required ratio = 3/20 * 20/11 = 3/11 The answer is (C).

question: A, B, C together started a business. A invested Rs.6000 for 5 months B invested Rs.3600 for 6 months and C Rs.7500 for 3 months. If they get a total profit of Rs.7410. Find the share of A?
Options:
(A) 2999
(B) 3000
(C) 2777
(D) 2999
(E) 17212
answer:
Stream of consciousness: 60*5:36*6:75*3
100: 72: 75
100/247 * 7410 = 3000 The answer is (B).