Question

A train has to cover 360 km in 6 hours. It travels at a speed of 55 km per hour for
the first four hours. To reach the destination in the desired time, what should
be the
speed of the train to cover the remaining distance?
A stone is dropped from a 80m tall building into a pond. Find the time when the sound will be heard if speed of sound is 330m/s.​

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Answer 1

Answer:

What is Agriculture??

Let Khushi will answer.. please.

Explanation:

What is Agriculture??

Let Khushi will answer.. please.