CHSL 21 03-06-2022 Shift 1


Question 1

Four runners started running simultaneously from a point on a circular track. They took 400 seconds, 600 seconds, 720 seconds and 900 seconds to complete one round. After how much time did they meet at the starting point for the first time since the race started?
चार धावक एक वृत्ताकार ट्रैक पर एक बिंदु से एक साथ दौड़ना शुरू करते हैं। उन्होंने एक चक्कर पूरा करने में 400 सेकंड, 600 सेकंड, 720 सेकंड और 900 सेकंड का समय लिया। ज्ञात करें कि वे कितने समय के बाद पहली बार शुरुआती बिंदु पर मिले थे?

Options

A

1800 sec

1800 sec

B

4200 sec

4200 sec

C

3600 sec

3600 sec

D

2400 sec

2400 sec


Solution:

Correct Answer:

C

3600 sec

3600 सेकंड


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