Question
Betty and Vaidev have a bicycle race. Betty cycles at a speed of 18 km/h. Vaidev cycles at a speed of 24 km/h. If Vaidev lets Betty start 40 min before him, how long will Vaidev take to catch up with Betty?
3 m

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Betty and Vaidev have a bicycle race. Betty cycles at a speed of 18 km/h. Vaidev cycles at a speed of 24 km/h. If Vaidev lets Betty start 40 min before him, how long will Vaidev take to catch up with Betty?