A student starting from his house walks at a speed of 21km/hour and reaches his 2 school 6 minutes late. Next day starting atthe same time he increases his speed by 1 km/hour and reaches 6 minutes early. The distance between the school and his house is

A student starting from his house walks at a speed of 21km/hour and re

1.	A student starting from his house walks at a speed of 21km/hour and reaches his 2 school 6 minutes late. Next day starting atthe same time he increases his speed by 1 km/hour and reaches 6 minutes early. The distance between the school and his house is
A.	4 km
B.	6 km
Answer» D.

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A student starting from his house walks at a speed of 21km/hour and reaches his 2 school 6 minutes late. Next day starting atthe same time he increases his speed by 1 km/hour and reaches 6 minutes early. The distance between the school and his house is

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