Working individually, A, B and C can finish a piece of work in 16 days, 20 days and 30 days, respectively. In how many days can A, B and C together complete a work which is 3 (1/2) times the previous work?

Question

Working individually, A, B and C can finish a piece of work in 16 days, 20 days and 30 days, respectively. In how many days can A, B and C together complete a work which is 3 (1/2) times the previous work? (A) 30 (B) 25 (C) 24 (D) 20

Tardigrade Admin · Accepted Answer

Find the part of work finished by all of them in one day.

Q. Working individually, A,B and C can finish a piece of work in 16 days, 20 days and 30 days, respectively. In how many days can A,B and C together complete a work which is 321​ times the previous work?

30

25

24

20

Find the part of work finished by all of them in one day.

Q. Working individually, $A, B$ and $C$ can finish a piece of work in 16 days, 20 days and 30 days, respectively. In how many days can $A, B$ and $C$ together complete a work which is $3 \frac{1}{2}$ times the previous work?