Question

Mayank can do a piece of work in 10 days , sushil can do the same work in 12 days Mayank ,sushil and mohan in 4 days.In how many days will mohan complete the work alone?​

Answer 1

Answer:

lcm 0f 10,12 and 4 = 60

efficiency = 6, 5, 15

than efficiency of mohan = (15-6-5) = 4 unit

days he will take to complete whole work = 60/4 = 15 days (Ans)

(mark as brainlist)

Answer 2

Answer:

2 is the correct answer as mayank work -suehil workk=12-10 =2