Manish and Rajni start from a place M at the same time to reach another place R. Manish travels at a constant speed of 21 kmph, while Rajni starts with a speed of 12 kmph and increases her speed by 1.25 kmph at the end of every hour. If both of them arrive at R at the same time, what is the distance between M and R and how much time did it take for each of them to reach R ?

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Pustam1729AlgebraArithmetic
Manish and Rajni start from a place M at the same time to reach another place R. Manish travels at a constant speed of 21 kmph, while Rajni starts with a speed of 12 kmph and increases her speed by 1.25 kmph at the end of every hour. If both...