A 250 meter long train crosses a man standing on the platform in 12 sec. What is the speed of the train?
Options:
(A) 228
(B) 108
(C) 1266
(D) 75
(E) 211
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S = 250/12 * 18/5 = 75kmph So the answer is: (D).
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The area of a triangle is with base 12m and height 5m?
Options:
(A) 88 m2
(B) 30 m2
(C) 66 m2
(D) 77 m2
(E) 31 m2
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1/2 * 12 * 5 = 30 m2 So the answer is: (B).
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How long does a train 110 m long traveling at 36 kmph takes to cross a bridge of 170 m in length?
Options:
(A) 28
(B) 16.0
(C) 16.4
(D) 16.8
(E) 16.1
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D = 110 + 170 = 280 m
S = 36 * 5/18 = 10
T = 280 * 1/10 = 28 sec So the answer is: (A).
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