Anil alone takes 2 hrs 40 mins to complete a work and Sumit alone can complete the same work in half time of Anil. How much time will be taken by Sumit to complete the work?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 80 mins.
Time taken by Anil to complete the work = 2 hour 40 mins = 160 mins
Time taken by Sumit = 160/2 = 80 mins