Question
Vanessa and Vaidev have a bicycle race. Vanessa cycles at a speed of 20 km/h. Vaidev cycles at a speed of 25 km/h. If Vaidev lets Vanessa start 45 min before him, how long will Vaidev take to catch up with Vanessa?
3 m

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Vanessa and Vaidev have a bicycle race. Vanessa cycles at a speed of 20 km/h. Vaidev cycles at a speed of 25 km/h. If Vaidev lets Vanessa start 45 min before him, how long will Vaidev take to catch up with Vanessa?