If A can run 1 km in 3 minutes and 10 seconds and B can cover the same distance in 3 minutes and 20 seconds, by what distance can A beat B?
- 40 meters
- 50 meters
- 45 meters
- None of these
Explanation
To find the distance by which A beats B, we need to calculate the distance covered by B in the extra 10 seconds taken by B.
Since B covers 1 km in 3 minutes 20 seconds, B's speed is 1 km / 200 seconds.
In 10 seconds, B covers 10/200 km = 50 meters.
So, A beats B by 50 meters.
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