Mathematics · Speed, Time and Distance
A and B start moving from places X to Y and Y to X, respectively, at the same time on the same day. After crossing each other, A and B take 719 hours and 9 hours, respectively, to reach their respective destinations. If the speed of A is 45 km/h, then the speed (in km/h) of B is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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40
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