question: Which of the following is not a leap year ?
Options:
(A) 700
(B) 800
(C) 900
(D) 1000
(E) 1200
answer: Stream of consciousness: The century divisible by 400 is The answer is (A).
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question: A train running at the speed of 60 km/hr crosses a pole in 18 sec. What is the length of the train?
Options:
(A) 287
(B) 699
(C) 677
(D) 300
(E) 150
answer: Stream of consciousness: Speed = 60 * 5/18 = 50/3 m/sec
Length of the train = speed * time = 50/3 * 15 = 300 m The answer is (D).
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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.12350. Find the share of A?
Options:
(A) 3002
(B) 3000
(C) 3018
(D) 4000
(E) 5000
answer: Stream of consciousness: 60*5:36*6:75*3
100: 72: 75
100/247 * 12350 = 5000 The answer is (E).
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question: A and B can do a work in 1 day, B and C in 2 days and C and A in 3 days. In how many days will the work be completed, if all three of them work together?
Options:
(A) 12/11
(B) 12/24
(C) 13/16
(D) 18/12
(E) 14/23
answer:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Stream of consciousness: One day work of A and B = 1/1
One day work of B and C = 1/2
One day work of C and A = 1/3
2(A + B + C) = 1/1+ 1/2 + 1/3
2(A + B + C) = 11/6
(A + B + C) = 11/12
Number of days required = 12/11 days. The answer is (A).
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