In a 1000 m race, X beats Y by 140 m or 14 s. What will be the X's time over the course?

Question

Accepted Answer

Clearly, Y covers 140 m in 14 s ∴ Y' s time over the course = (14/140) x 1000 = 100 s ∴ X' s time over the course = 100 - 14 = 86 s

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