Question

Seema reaches the school early by 10 minutes if she cycles at a speed of 12 km per hour but reaches the school late by 5 minutes if she cycles at 9 km per hour find the distance of the school for her home

Answer 1

let distance be x
time taken to cover x distance = x/12hr
time taken to cover x distance = x/ 9 he
difference in time 10 +5
15 min
x/9 - x/12= 1/4
answer is 9 km

Answer 2

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