| Q.17 | The speed of a boat in still water is 1.5 times the speed of stream. If it takes 15 min to reach Q from P in still water, then time taken by it from P to Q and back to P in the stream is (in min) : | |
| Ans | 1. 54 | |
| 2. 36 | ||
| 3. 45 | ||
| 4. 63 |
Correct Ans Provided: 1