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Problems on Trains - General Aptitude

Q1:

Two, trains, one from Howrah to Patna and the other from Patna to Howrah, start simultaneously. After they meet, the trains reach their destinations after 9 hours and 16 hours respectively. The ratio of their speeds is:

A 2 : 3

B 4 : 3

C 6 : 7

D 9 : 16

ANS:B - 4 : 3

Let us name the trains as A and B. Then, (A's speed) : (B's speed) = b : a = 16 : 9 = 4 : 3.