5
Q:
A) 36 days | B) 44 days |
C) 50 days | D) 40 days |
Answer:
Explanation:
Explanation:
Ratio of efficiency of A to B is 3 : 2
Let, In 8 days they complete = (3 + 2) × 8 = 40 units
So, total work = 40 × 12/5 units
Time taken by B alone to complete whole work = 40 × 12/5 ×2 = 48 days