Rationale: (50/100) * 56 – (30/100) * 50
28 - 15 = 13
The answer: (C)
Question: How much 50% of 56 is greater than 30% of 50?
Options:
(A) 18
(B) 99
(C) 13
(D) 55
(E) 71


Rationale: The sum all three digits comes to 10 except 323
The answer: (A)
Question: Find the odd man out
253, 136, 352, 323, 631, 244
Options:
(A) 323
(B) 136
(C) 352
(D) 631
(E) 531


Rationale: Speed = 60 * 5/18 = 50/3 m/sec
Length of the train = speed * time = 50/3 * 9 = 150 m
The answer: (B)

Question: A train running at the speed of 60 km/hr crosses a pole in 9 sec. What is the length of the train?
Options:
(A) 118
(B) 150
(C) 277
(D) 258
(E) 191