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- A can run 330 metres in 41 seconds and B in 44 seconds.
Question 1:
A can run 330 metres in 41 seconds and B in 44 seconds. By how many seconds will B win if he has 30 metres start? A. 2 sec
B. 1 sec
Feedback B runs 330 metres in 44 seconds.
B runs (330 - 30) metres in 44/330 x 300 secs.
i.e., 40 secs
But A runs 330 metres in 41 seconds
So, B wins by (41 ? 40) seconds, i.e., 1 second
B runs (330 - 30) metres in 44/330 x 300 secs.
i.e., 40 secs
But A runs 330 metres in 41 seconds
So, B wins by (41 ? 40) seconds, i.e., 1 second
C. 3 sec
D. 15 sec
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