Question

a can do a work in10 days ,b in18 days and a, b c together in 4 days in what time would c alone do it​

Answer 1

Answer:

a can do the work in 10 days

b in18 days so

we added a+b and find the value of c

ist of all 10+18= 28 divided by 4 days

so answer is 7 days

Answer 2

Answer:

C can do the piece of work in =

$10 \frac{10}{17} \: days$

Work = 1/Time

It means reciprocal of the time will be the work.