Question

A. B and C can do a piece of work in 10 days, 12 days and 15 days respectively. How long will they take to finish it if they work together? A can do a piece of work in 24 hours while B alone can do it in 16 hours. II A. B and​

Answer 1

Question

A. B and C can do a piece of work in 10 days, 12 days and 15 days respectively. How long will they take to finish it if they work together? A can do a piece of work in 24 hours while B alone can do it in 16 hours. II A. B and

Answer

Answer : A,B and C will finish the work in 4 Days

‘A’ can complete the work in 10 Days

‘A’ will complete (1/10)th of work in a Day

‘B’ can complete the work in 12 Days

‘B’ will complete (1/12)th of work in a Day

‘C’ can complete the work in 15 Days

‘C’will complete (1/15)th of work in a Day

A, B and C together will complete the portion of work in a Day is

[(1/10) + (1/12) + (1/15)] = [ (6 + 5 + 4 ) /60 ]= (15/60)= (1/4)

A, B and C together will complete the work in 4 Days