Question
A boy goes to school at 8 km/Hr and return at a speed of
7 km/hr. If he takes 15 hrs in all. Find the distance from his village to school?Solution
Let the distance from village to school be D km According to the question, ⇒ D/8 + D/7 = 15 ⇒ 15D/56 = 15 ⇒ D = 56 km
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