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 25 hours respectively. The ratio of their speeds is: Choose the correct choice from the following:
A) 2 : 3
B) 5 : 3
C) 6 : 7
D) 9 : 16
E) None of these
Let us name the trains as A and B. Then,   (A's speed) : (B's speed) = âˆšb : âˆša = âˆš25 : âˆš9 = 5 : 3.   Answer 5 : 3
<result>B</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 25 hours respectively. The ratio of their speeds is: