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A is thrice as efficient as B and is, therefore, able to finish a piece of work 10 days earlier than B. In how many days A and B will finish it together?
- A3 1/2 days
- B3 4/5 days
- C3 days
- D5 days
Correct answer: D
Discussion 1
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CCommunity
5 days
WC = 3:1
WT = 1:3
x
WC = 3:1
WT = 1:3
x