A train moves with a speed of 30 kmph for 12 minutes and for next 8 minutes at a speed of 45 kmph. Find the average speed of the train:

A train moves with a speed of 30 kmph for 12 minutes and for next 8 mi

1.	A train moves with a speed of 30 kmph for 12 minutes and for next 8 minutes at a speed of 45 kmph. Find the average speed of the train:
A.	37.5 kmph
B.	36 kmph
C.	48 kmph
D.	30 kmph
Answer» C. 48 kmph

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A train moves with a speed of 30 kmph for 12 minutes and for next 8 minutes at a speed of 45 kmph. Find the average speed of the train:

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