Question

A, B and C can do a work in 10, 12 and 15 days respectively. In how many days will the work be completed if B is assisted by both A and C on every third day?

• A. $7\frac{1}{5}$
• B. $7\frac{2}{3}$
• C. $8$
• D. $9$

Answer 1

Answer: (C)

$8$

Answer 2

The correct option is (C) :$8$