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Question : In a 120-metre race, P beats S by 6 metres. If S starts with ahead start of 7.5 metres and it is a 100-metre race, then who wins the race and how many metres? (Correct to 2 decimal places)

Option 1: S, 2.63

Option 2: P, 3.63

Option 3: S, 3.63

Option 4: P, 2.63


Team Careers360 12th Jan, 2024
Answer (1)
Team Careers360 23rd Jan, 2024

Correct Answer: P, 2.63


Solution : Given,
In a 120-metre race, P beats S by 6 metres
S starts with ahead start of 7.5 metres and it is a 100-metre race
If S runs 114 metres, then P runs 120 metres
When S runs 92.5 metres, then P runs = $\frac{92.5\times 120}{114}$ = 97.37 metres
⇒ P wins by = 100 – 97.37 = 2.63 m.
Hence, the correct answer is P, 2.63 m.

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