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A Train 360 Meter Long is Running at a Speed of 45 km/h. In what Time will It Pass a Bridge 140 Meter Long?

Computer MCQs Series for PPSC, FPSC – Most Repeated MCQs | Set 4

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Explanation

“A train 360 meter long is running at a speed of 45 km/h”.

This statement shows speed is needed to convert into m/sec because train of length is given which is also in meter.

To calculate the time; speed distance formula will be used,

Time = Distance/Speed

Considering the total length = 360 + 140 = 500 meter

Time = ?

Solution

Given speed = 45 km/h

Speed in m/sec = (45 x 1000)/3600

Speed in m/sec = 12.5 m/sec

Total length = 360 + 140 = 500 m

Now,

Time = distance/speed

Time = 500/12.5

Conclusion

A train 360 meter long is running at a speed of 45 km/h. In 40 seconds it will pass a bridge 140 meter long.

Computer MCQs Series for PPSC, FPSC – Most Repeated MCQs | Set 6

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