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Boy covers distance of 20 km …

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Boy covers distance of 20 km in 2 1/2 hours, partly on foot at the rate of 5km/hour and partly on bicycle at the rate of 10 km/hour . Find the distance covered on foot .

Posted by Meenal Kakadwar 4 years, 9 months ago

CBSE > Class 08 > Mathematics

1 answers

Preeti Dabral 4 years, 9 months ago

Boy cover distance in 2 1/2 hours

he covers by foot = 5km/hr

In 1 hour he complete 5km

he covers distance by bicycle = 10km /hr

In 1 hour he complete = 10 km

total distance 20 km

x/5 + (20-x ) /10 = 5/2

x +20 =25

x = 25-20

x = 5

Hence, the distance covered by foot is 5 km

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CBSE > Class 08 > Mathematics