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Vikram and Vivek can finish a work in 50 days. They worked together for 20 days and then left. How much work has been done by them?

A3/5

B1/3

C1/2

D2/5

Answer:

D. 2/5

Read Explanation:

Vikram and Vivek can finish a work in = 50 days

1 day work by them = 150\frac{1}{50}

∴ Work done by them in 20 days = 20×(150)=2520\times{(\frac{1}{50})}=\frac{2}{5}


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