Anoop can complete a piefe of work in 10 dasy working for 8 horus a day. Swaroop can comlete in in 12 days working 10 hours a dya. How many days will take to complete it if they work 12 a day ?

Options

A. 4
B. 6
C. 8
D. 10

Answer

A

Explanation

(i) Anoop and Swaroop can complete a piece of work in 80 and 120 hours respectively.
(ii) Let the total number of man-hours they take to complete the work be 12x hours, where x they work together.
(iii) Use unitary method to equate the sum of their individual done per day to the work done by both of them per day and proceed