Multiple choice general knowledge math & puzzles

After reaching the address byomkesh has to start the cycle chase. Byomkesh has old atlas cycle which he can drive at a speed of 10 m/s. however, he starts panting after 3 min and his reduces to 7 m/s. since, he is driving fast his speed drops to 5 m/s after 10 minutes as he gets completely exhausted. If the thief has seen him at a distance of 358 meter and has started running at a consistent speed of 8 m/s. when will be byomkesh able to catch the thief?

  1. 2 minutes

  2. Never

  3. 2 min 59 seconds later

  4. 4 minutes
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Byomkesh starts 358 m behind the thief. His speed is 10 m/s, thief's is 8 m/s, so relative speed is 2 m/s. Time to catch = 358/2 = 179 seconds = 2 min 59 sec. He catches the thief before his speed drops.

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