SSC GD 2019 PYQ — Question 73

SSC GD Constable (English) - 18 Feb 2019 Shift 2 • Quantitative Aptitude • Q73

Anil, Dinesh and Deepak together can complete a work in 40 days. Anil and Dinesh together can complete the same work in 50 days. In how many days Deepak alone can complete the same work?

Show answer & explanation

Correct answer: B

Explanation

The correct answer is option 2 i.e. 200 days.

Understanding/Application

Time taken by Anil, Dinesh and Deepak together to complete the work = 40 days

Time taken by Anil and Dinesh together = 50 days

Work done by Deepak alone = 1/40 - 1/50 = (5 - 4)/200 = 1/200 

Time taken = 200 days