q: 80 ? 860 1550 2440 3530
Options:
(A) 370
(B) 840
(C) 750
(D) 860
(E) 960
a: Stream of consciousness: 10^2 - 20 = 80
20^2 - 30 = 370
30^2 - 40 = 860
40^2 - 50 = 1550
50^2 - 60 = 2440
60^2 - 70 = 3530. The answer is (A).

question: Find the least number must be subtracted from 5474827 so that remaining no.is divisible by 12?
Options:
(A) 3
(B) 5
(C) 4
(D) 7
(E) 2
answer: Stream of consciousness: On dividing 5474827 by 12 we get the remainder 7, so 7 should be subtracted The answer is (D).

q: A company organized a recruiting process for 3 vacant positions of assistant manager for its product launches. The company's efforts yielded 13 eligible candidates. How many sets of 3 candidates can the company choose to fill the 3 assistant manager positions?
Options:
(A) 2,060
(B) 1,320
(C) 545
(D) 315
(E) 286
a: Stream of consciousness: 13*12*11/3*2*1 = 286 The answer is (E).

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.9880. Find the share of A?
Options:
(A) 3002
(B) 3000
(C) 3018
(D) 3019
(E) 4000
answer: Stream of consciousness: 60*5:36*6:75*3
100: 72: 75
100/247 * 9880 = 4000 The answer is (E).

q: Look at this series: 36, 34, 30, 28, 24, ... What number should come next?
Options:
(A) 20
(B) 22
(C) 25
(D) 24
(E) 26
a: Stream of consciousness: This is an alternating number subtraction series. First, 2 is subtracted, then 4, then 2, and so on. The answer is (B).

q: A shopkeeper gave an additional 20 per cent concession on the reduced price after giving 30 per cent standard concession on an article. If Arun bought that article for 1,120, what was the original price?
Options:
(A) 3,000
(B) 4,000
(C) 2,400
(D) 2,000
(E) None of these
a:
Stream of consciousness: Original price = 1120 10070 10080 = 2000 The answer is (D).