Question
A boy goes to school at 9 km/Hr and return at a speed of
8 km/hr. If he takes 17 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/9 + D/8 = 17 ⇒ 17D/72 = 17 ⇒ D = 72 km
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