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A is half good a work man as B and together they finish a job in 14 days. In how many days working alone B finish the job?
- A20
- B21
- C22
- D23
Correct answer: B
Discussion 1
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0
CCommunity
21
WC = 1:2
2x + x = 1/14 => x = 1/42
2x = 1/21 => 21 days
WC = 1:2
2x + x = 1/14 => x = 1/42
2x = 1/21 => 21 days