Question

3. A and B can complete a piece of work in 4 days. IfA alone can complete the same work in 12
days, inhow many days can B alone complete that work.
(1) 8 days
(2) 7 days
(3) 6 days
(4) 10 days​

Answer 1

Answer:

8 Days.

Hope It Helps You....

Answer 2

Answer:

(3)6 days

Step-by-step explanation:

1/A + 1/B = 1/4

1/A = 1/12

1/12 + 1/B = 1/4

B + 12/12B = 1/4

B = 6days