Sanjay can do a piece of work in 50 days He started the work and left after some days when 25 work w...........

Quantitative Aptitude ( CCS) Time and work

Sanjay can do a piece of work in 50 days. He started the work and left after some days, when 25% work was done. After it Ajit joined and completed it working for 25 days. In how many days Sanjay and Ajit can do the complete work, working together?

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Explanation:

Explanation :
Efficiency of Sanjay = (100/50) = 2%
Rest work = 75%
Efficiency of Ajit = 75/25 = 3%
Combined efficiency of Sanjay and Ajit = 5%
Number of days required by Sonu and Abhijeet, to work together = 100/5 = 20 days.