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
Correct Option - B
Explaination