Reasoning: S = 180/6 * 18/5 = 108 kmph
Ans: (C)
Question: A 180 meter long train crosses a man standing on the platform in 6 sec. What is the speed of the train?
Options:
(A) 48 kmph
(B) 52 kmph
(C) 108 kmph
(D) 100 kmph
(E) 98 kmph
Rationale: 4/9 P = (P*R*R)/100
R = 20/3 = 6 2/3%
The answer: (A)
Question: The simple interest on a sum of money is 4/9 of the principal and the number of years is equal to the rate percent. Find the rate and the time?
Options:
(A) 6 2/3%
(B) 6 2/7%
(C) 6 2/2%
(D) 6 3/3%
(E) 6 5/3%
Reasoning: Total number of ways = 7!*2!.
Ans: (B)
Question: There are 10person among whom 2are brother. The total no.of ways in which these persons can be seated around a round table so that exactly 1person sit between the brothers, is equal to?
Options:
(A) 7!*1!
(B) 7!*2!
(C) 6!*2!
(D) 8!*2!
(E) 6!*2!
Rationale: Other number = (11 x 7700)/275 = 308.
The answer: (C)
Question: The H.C.F. of two numbers is 11 and their L.C.M. is 7700. If one of the numbers is 275, then the other is:
Options:
(A) 279
(B) 283
(C) 308
(D) 318
(E) 328
Reasoning: 125 + 40 = 165/15 = 11 (Remainder)
Ans: (B)
Question: A no.when divided by 125 gives a remainder 40, what remainder will be obtainedby dividingthe same no.15?
Options:
(A) 10
(B) 11
(C) 12
(D) 13
(E) 14
Reasoning: 1-1/4 = remain cake 3/4
3/4*3 = 9/4
9/4+1/4 = 10
Ans: (C)

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.
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Question: In a family, the father took 1/4 of the cake and he had 3 times as much as each of the other members had. The total number of family members is
Options:
(A) 3
(B) 7
(C) 10
(D) 12
(E) 15