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Multiple Choice Questions

Kiran can do a work in 20 days while Karan can do the same work in 25 days They started the work joi...........

Quantitative Aptitude(IBPS RRB PO) Time and work

Kiran can do a work in 20 days, while Karan can do the same work in 25 days. They started the work jointly. Few days later Suman also joined them and thus all of them completed the whole work in 10 days. All of them were paid total Rs.1000. What is the share of Suman?

200

400

100

300

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Explanation:

Explanation :
Efficiency of Kiran = 5%
Efficiency of Karan = 4%
They will complete only 90% of the work = [(5+4)*10] =90
Remaining work done by Suman = 10%.
Share of Suman = 10/100 * 1000 = 100

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