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SSC CGL Model Paper 3

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Question : 72 of 100

Marks: +1, -0

A race course is 600 meters long, A & B run a race and A wins by 10 meters. B & C run over the same course and B wins by 5 meters. C &D run over it and D wins by 15 meters. If A & D run over it, then who would win and by how much?

no one would win
A wins by 0.08m
A win by 6m
D wins by 0.08m

Solution:

If A covers 600m, B covers 590 m.

If B covers 600 m, C covers 595 m.

If D covers 600 m, C covers 585 m

∴ If B covers 590 m, then C will cover

=\frac{595\times 590}{600}=585.08\,\text{m}

Again if C covers 585.08m, then D will cover

\frac{600}{585}\times 585.08 = 600.08

Thus if A & D run over 600 m, then D wins by 0.08 m.

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