Question
If I walk at 4 km an hour from my house, I
miss the bus by 7 minutes and if I walk at 6 km an hour, I reach the bus-stop 8 minutes early. How far is the bus-stop form my house?Solution
If he delays by 60 minutes then distance = 12 kms
Given delays by 15 minutes then distance = 12 × 15 /60 = 3 kms
If a bus travel 20 km in 15 minute then how much time take if speed is decrease by 20 km/h?
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