Find the odd man out
253, 136, 352, 329, 631, 244
Options:
(A) 329
(B) 136
(C) 352
(D) 631
(E) 531

The sum all three digits comes to 10 except 329 So the answer is: (A).

A train 540 meters long is running with a speed of 54 kmph. The time taken by it to cross a tunnel 180 meters long is?
Options:
(A) 22
(B) 27
(C) 48
(D) 99
(E) 23

D = 540 + 180 = 720
S = 54 * 5/18 = 15 mps
T = 720/15 = 48 se So the answer is: (C).

In how many different number of ways 7 men and 3 women can sit on a shopa which can accommodate persons?
Options:
(A) 200
(B) 230
(C) 240
(D) 250
(E) 5040

10p4 = 10 X 9 X 8 X 7 = 5040 So the answer is: (E).

John makes $50 a week from his job. He earns a raise and now makes $80 a week. What is the % increase?
Options:
(A) 16%
(B) 16.66%
(C) 17.9%
(D) 18.12%
(E) 60%
Increase = (30/50)*100 = (3/5)*100 = 60%. So the answer is: (E).