A can run 1 km in 4 min 54 sec and B in 5 min. How many metres start can A can give B in a km race so that the race may end in a dead heat ?

16 m

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18 m

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20 m

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22 m

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Solution

The correct option is C 20 m
Distance covered by B in 6 sec = $(\frac{1000}{300} \times 6) = 20$ $m$

Therefore, A beats B by 20 m.
For a dead-heat race, A must give B a start of 20 m.

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A can run 1 km in 4 min 54 sec and B in 5 min. How many metres start can A can give B in a km race so that the race may end in a dead heat ?

The correct option is C 20 mDistance covered by B in 6 sec = (1000300×6)=20 mTherefore, A beats B by 20 m.For a dead-heat race, A must give B a start of 20 m.

The correct option is C 20 m
Distance covered by B in 6 sec = $(\frac{1000}{300} \times 6) = 20$ $m$

Therefore, A beats B by 20 m.
For a dead-heat race, A must give B a start of 20 m.