Question

A complete a work alone in 10 days B complete the same work alone in 12 days and C complete the same work alone in 15 days in how many days they do in all working together?

Answer 1

Step-by-step explanation:

work done in day

• A=1/10
• B=1/12
• C= 1/15
• A+B+C compete in one day=1/10+1/12+1/15

= 15/60

a+b+c complete work in 4days

Answer 2

Answer:

i hope

this Answer is 4

1/10+1/12+1/15=15/60 =4

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