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6. If a man travels 65 km in 3 days by walking 7hors a day, in how many days will he travel 156 kmby walking 8 hours a day?

Answer»

Every day he walks 7.5 hrsSo in three days he walks 7.5×3 =22.5hrsAnd he travelled 65km in these 22.5hrsSo the speed = distance/time = 65/22.5 = 2.88km/hr

Speed of the man will remain same,So time = distance/speed = 156/2.88 = 54 hrs

Everyday he walks 8hrs, so for 54 hrs, he has to walk 54/8 = 6.75 days



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