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Two donkeys are standing 400 metres apar...

Two donkeys are standing 400 metres apart. First donkey can run at a speed of 3m/sec and the second can run at 2m/sec. If two donkeys run towards each other after how much time (in seconds) will they bump into each other?

A

60

B

80

C

400

D

40

Text Solution

Verified by Experts

The correct Answer is:
B
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