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P and Q can do a project in 20 and 12 days respectively. In how many days can they complete 40% of the project if they work together?

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P and Q can do a project in 20 and 12 days respectively. In how many days can they complete 40% of the project if they work together?
1). 1.5 days
2). 3 days
3). 6 days
4). 9 days

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1 answers

2 vote
Answered by on | Votes 2 |
option 2 is the answer

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