1.

A body moves at a speed of 20 km h−1 for the first 2 hours. After that, it moves at the speed of 30 km h−1 for the next 1 hour. What is the total distance travelled by the body?

Answer»

A body moves at a speed of 20 km h1 for the first 2 hours. After that, it moves at the speed of 30 km h1 for the next 1 hour. What is the total distance travelled by the body?



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