Question

A can do a job in 10 days , B can do it in 12 days and C can do the same job in 15 days. Then in how many days can they finish the job if they work together ?​

Answer 1

Answer:

Step-by-step explanation:

A -----> 10days -----> 1day-----> 1/10

B------> 1/12

C------> 1/15

A+B+C = 1/10 + 1/12 + 1/15 = 6+5+4 /60 = 15/60 = 1/4

4 Days