Question

42:53 A, B and C can do a certain piece of work in 40 days, 72 days and 90 days respectively. All of them started working together, but after ___ days, A and B left the job and the remaining work is done by C alone in __ days. The values given in which of the following options will fill the blanks in the same order in which is it given to make the above statement true:​

Answer 1

Step-by-step explanation:

13x=312

⟹x=24

So the work is finished in 24 days.