q: Find the odd man out 3, 5, 7, 12, 13, 17, 19
Options:
(A) 3
(B) 5
(C) 7
(D) 12
(E) 13
a: OK... 12 is an even number while the others are od
The answer is (D).

q: A train 90 meters long completely crosses a 200 meters long bridge in 36 seconds. What is the speed of the train is?
Options:
(A) 29
(B) 40
(C) 25
(D) 66
(E) 09
a: OK... S = (90 + 200)/36 = 290/36 * 18/5 = 29
The answer is (A).

q: In a race of 150 m, A gives B a start of 20 m. What distance will be covered by B ?
Options:
(A) 100 m
(B) 130 m
(C) 170 m
(D) 160 m
(E) 180 m
a:
OK... Required distance = (150 - 20) m = 130 m
The answer is (B).