Kaushalya can do a work in 20 days, while kaikeyi can do the same work in 25 days. They started the work jointly.Few days later Sumitra also joined them and thus all of them completed the whole work in 10 days. All of them were paid total Rs.700. Wh…

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Efficiency of kaushalya = 5% Efficiency of kaikeyi = 4% Thus, in 10 days working together they will complete only 90% of the work. [(5+4)*10] =90 Hence, the rema…

Kaushalya can do a work in 20 days, while kaikeyi can do the same work in 25 days. They started the work jointly.Few days later Sumitra also joined them and thus all of them completed the whole work in 10 days. All of them were paid total Rs.700. What is the Share of Sumitra?

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