Answer: (B)
Question: In what time a sum of money double itself at 6% per annum simple interest?
Options:
(A) 33 1/8%
(B) 16 2/3%
(C) 33 7/3%
(D) 32 1/3%
(E) 23 1/3%
[CoT]: [P = (P*6*R)/100
R = 16 2/3%]

Answer: (A)
Question: A 600 meter long train crosses a signal post in 40 seconds. How long will it take to cross a 3 kilometer long bridge, at the same speed?
Options:
(A) 4 min
(B) 2 min
(C) 8 min
(D) 9 min
(E) 5 min
[CoT]: [S = 600/40 = 15 mps
S = 3600/15 = 240 sec = 4 min]

Answer: (C)
Question: A man purchased 3 blankets @ Rs.200 each, 5 blankets @ Rs.150 each and two blankets at a certain rate which is now slipped off from his memory. But he remembers that the average price of the blankets was Rs.150. Find the unknown rate of two blankets?
Options:
(A) 100
(B) 200
(C) 300
(D) 400
(E) 500
[CoT]: [10 * 150 = 1500
3 * 200 + 5 * 150 = 1350
1350 1050 = 300]

Answer: (E)
Question:
If x and y are unique prime integers, which of the following must be odd?
Options:
(A) xy^2
(B) 2x+2y
(C) 2x2y
(D) 2x/2y
(E) xy
[CoT]: [Any number multiplied by 2 has to be an even number henc]