Question

8. A, B and C can do a piece of work in 10 days. A alone can do it in 40 days, and B alone can do it in 30
days. In how many days will C alone do the same work ?​

Answer 1

Answer:

24days

Explanation:

If they work together they finished it in 10 days.

i.e. in one days 1/10 work be done

In one day work done by

A= 1/40

B=1/30

&Let by

C= 1/c

So,

1/40 + 1/30 + 1/c = 1/10

Therefore,

1/c = 5/120

i.e. C =24 days.

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