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P runs 1 km in 4 minutes and Q in 4 minu...

P runs 1 km in 4 minutes and Q in 4 minutes 10 secs. How many metres start can P give Q in 1 kilometre race, so that the race may end in a dead heat ?

A

40 m

B

50 m

C

30 m

D

None of these

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The correct Answer is:
A
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