Question
Usha and Harry have a bicycle race. Usha cycles at a speed of 15 km/h. Harry cycles at a speed of 18 km/h. If Harry lets Usha start 48 min before him, how long will Harry take to catch up with Usha?
3 m

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Usha and Harry have a bicycle race. Usha cycles at a speed of 15 km/h. Harry cycles at a speed of 18 km/h. If Harry lets Usha start 48 min before him, how long will Harry take to catch up with Usha?