MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
| 1. |
A man walks on a straight road from his home to a market 2.5 km away with a speed of 5 km/h. Finding the market closed, he instantly turns and walks back home with a speed of 7.5 km/h. The average speed of the man over the interval of time 0 to 40 min. is equal to [AMU (Med.) 2002] |
| A. | 5 km/h |
| B. | \[\frac{25}{4}\] km/h |
| C. | \[\frac{30}{4}\] km/h |
| D. | \[\frac{45}{8}\] km/h |
| Answer» E. | |