Multiple choice

A policeman sees a chain snatcher at a distance of 500 m. He starts chasing the chain snatcher running with a speed of 5 m/s, while the policeman is chasing him with a speed of 15 m/s. What is the distance covered by the chain- snatcher when he is caught by the policeman?

  1. 200m

  2. 180m

  3. 150m

  4. 250m
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Relative speed = 15 - 5 = 10 m/s. Initial gap = 500 m. Time to catch = 500 ÷ 10 = 50 seconds. In 50 seconds, chain snatcher covers 5 × 50 = 250 m. Verification: Policeman covers 15 × 50 = 750 m, gap closed = 750 - 250 = 500 m ✓. Option D is correct.

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