0
Ravi can do a piece of work in 30 days while Prakash can do it in 40 days. In how many days will they finish it together?
- A17 1/7 days
- B27 1/7 days
- C23 2/7 days
- D16 4/11 days
Correct answer: A
Discussion 1
Log in or create a free account to reply and vote.
0
CCommunity
17 1/7 days
1/30 + 1/40 = 7/120
120/7 = 17 1/7 days
1/30 + 1/40 = 7/120
120/7 = 17 1/7 days