30) 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

**Answer: **
B