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  1. In a race of 300 meter, A beats B by 15 meter or 5 sec. A’s time over the course is :
    1. 100 seconds
    2. 95 seconds
    3. 105 seconds
    4. 90 seconds
Correct Option: B

15 meter is covered by B in 5 sec
∴ 300 meter is covered by B in 5 × 300/15 = 100 seconds
∴ A takes 100 - 5 = 95 seconds.


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