A train 240 m long passed a pole in 24 seconds. How long will it take to pass a platform 650 m long?

A train 240 m long passed a pole in 24 seconds. How long will it take to pass a platform 650 m long?

A 65 sec

B 89 sec

C 100 sec

D 150 sec

Solution

Correct Answer: Option B

গতি = 240/24 = 10 মি/সেকেন্ড

∴ প্রয়োজনীয় সময় = (240 + 650)/10
= 89 সেকেন্ড