Question

A complete 1/2 part of work in 5 days B complete this work in 3\5 in 9 days C complete 2/3 part in 8 days. Together in how many days all 3 will complete the work?​

Answer 1

Answer:

Correct option is

A

4

A can do

2

1

of the work in 5 days ⇒A can do the whole work in 5×

1

2

=10 days

B can do

5

3

of the work in 9 days ⇒B can do the whole work in 9×

3

5

=15 days

C can do

3

2

of that work in 8 days ⇒C can do the whole work in 8×

2

3

days =12 days

∴(A+B+C)'s 1 days' work =

10

1

+

15

1

+

12

1

=

60

6+4+5

=

60

15

=

4

1

Hence, A+B+C can complete the whole work in 4 days.