A train 240 m long passed a pole in 24 sec. How long will it take to pass a platform 650 m long?A65 secB89 secC100 secD150 sec
Question
A train 240 m long passed a pole in 24 sec. How long will it take to pass a platform 650 m long?
Options:
- A 65 sec
- B 89 sec
- C 100 sec
- D 150 sec
Solution
To solve this problem, we first need to find the speed of the train.
Step 1: Find the speed of the train The speed of the train can be found by dividing the length of the train by the time it takes to pass the pole.
Speed = Distance/Time Speed = 240m/24s = 10 m/s
Step 2: Find the time it takes to pass the platform The total distance the train needs to cover to pass the platform is the length of the train plus the length of the platform (240m + 650m = 890m).
Time = Distance/Speed Time = 890m/10 m/s = 89 seconds
So, the train will take 89 seconds to pass the platform. The answer is B) 89 sec.
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