If a boy walks from his house to the school at the rate of 4 kmhr he reaches the school 10 minutes earlier than the scheduled time However if he walks at the rate of 3 kmhr he reaches 10 minutes late The distance from the school to the house in km isNIFT UG

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Mukesh-Patel-School-of-Technology-Management-and-Engineering-Mumbai-->View question

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[c]For a distance of x, difference in timings = 20 min = 1/3 hour. Hence, x/3 x/4 = 1/3 or 4x 3x = 4 or x = 4 km

## If a boy walks from his house to the school at the rate of 4 km/hr, he reaches the school 10 minutes earlier than the scheduled time. However, if he walks at the rate of 3 km/hr, he reaches 10 minutes late. The distance from the school to the house in km is,(NIFT UG)

(a) 2 (b) 3 (c) 4 (d) 5

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