Question

85. A and B working separately can do a piece
of work in 9 and 12 days respectively. A
beginning, in how many days the work will
be completed?
(A) 10 and 1/2 days
(B) 10 and 1/5 days
(C) 10 and 1/4 days
(D) 10 and 2/3 days
f​

Answer 1

Answer:

C is correct answer

Step-by-step explanation:

MAKE BE A BRAINLIST