Question:
In a 100 meters race, A beats B by 20 meters. B beats C by 5 meters. In the same race, A beats C by:
In a 100 meters race, A beats B by 20 meters. B beats C by 5 meters. In the same race, A beats C by:
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Chain race problems can be solved by converting each race result into speed ratios and multiplying them.
Updated On: Aug 13, 2025
- 26 meters
- 25 meters
- 24 meters
- 22 meters
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The Correct Option is C
Solution and Explanation
Step 1: A beats B by 20 m means: When A runs 100 m, B runs 80 m.
Step 2: B beats C by 5 m means: When B runs 100 m, C runs 95 m.
Step 3: In A’s 100 m run, B runs 80 m. In that time, C runs:
$95/100 \times 80 = 76$ m.
Step 4: Hence A beats C by:
$100 - 76 = 24$ m.
Step 2: B beats C by 5 m means: When B runs 100 m, C runs 95 m.
Step 3: In A’s 100 m run, B runs 80 m. In that time, C runs:
$95/100 \times 80 = 76$ m.
Step 4: Hence A beats C by:
$100 - 76 = 24$ m.
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