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:	Choose the correct answer.
A) 2:3	B) 3:4	C) 4:3	D) 6:7	E) 7:6
Train from Howrah to Patna A and Patna to Howrah B.   Then,   (A's speed) : (B's speed) = b : a = 16 : 9 = 4 : 3.   ANSWER :4:3
<result>C</result>
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: