Vipul can do a piece of work in 25 days He started the work and left after some days when 60 o...........

Quantitative Aptitude (CDS) Time and work

Vipul can do a piece of work in 25 days. He started the work and left after some days when 60% of work was done. After it, Ankit joined and completed it working for 10 days. In how many days Vipul and Ankit can do the complete work, working together?

12days

10days

14days

8days

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Explanation:

Efficiency of Vipul = 4%
Rest work = 40%
Efficiency of Ankit = 60/10 = 6%
Combined efficiency of Vipul and Ankit
= (6+4) = 10%
Number of days required by Vipul and Ankit, to work together
=100/10 = 10 days