A boy run for 10 mim at a uniform speed of 9 km per hour . At we speed should he run for next 20 min so that his average speed becomes 12 km per hour

A boy run for 10 mim at a uniform speed of 9 km per hour . At we speed

1.	A boy run for 10 mim at a uniform speed of 9 km per hour . At we speed should he run for next 20 min so that his average speed becomes 12 km per hour
Answer» That BOY is MAD . of he had to do EXERCISE then he should TAKE CYLE

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A boy run for 10 mim at a uniform speed of 9 km per hour . At we speed should he run for next 20 min so that his average speed becomes 12 km per hour

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