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Finding Increase or Decrease Percentage in Situations

If in a race ...

Question

If in a race of 160 m, P covers the distance in 40 seconds and Q in 50 seconds, then P beats Q by:

A

40m

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B

32m

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C

22m

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D

20m

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E

50m

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Solution

The correct option is B
32m

The difference in the timing of P and Q is 10 seconds. Hence, P beats Q by 10 seconds.

The distance covered by Q in 10 seconds = $\frac{160 \times 10}{50}$ = 32m

Hence, A beats B by 32m.

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