1.

300 m long train crosses a pole in 24 sec. What is the speed of the train in km/hr ? 1) 45 km/hr2) 60 km/hr 3) 36 km/hr 4) 42 km/hr.​

Answer» TRAIN covers 300M in 24 seconds.

If we DIVIDE 300 by 24

300/24 = 12.5m/sec

We have to convert this to PER hour,

We can do that by multiplying 12.5 by 18/5

12.5 x 18/5

12.5 x 3.6

45 km/hr

The answer is (1) 45 km/hr



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