Question

Kamal does a piece of work in twice of time taken by

Nitin and thrice the time taken by Ritu. Three together

can do this work in 20 days. The time taken by Kamal

alone to do the work is

A) 60 days

B) 40 days

C) 120 days

D) 20 days​

Answer 1

Answer:

twice means 2 multiply 2x 20=40 then thrice means 3 multiply 3x40( because aldready thwice is done)=120 kamal work alone for 120 days