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GATE | GATE CS 2010 | Question 64
5 skilled workers can build a wall in 20 days: 8 semi-skilled workers can build a wall in 25 days; 10 unskilled workers can build a wall in 30 days. If a team has 2 skilled, 6 semi-skilled and 5 unskilled workers, how long will it take to build the wall?
(A)
20
(B)
10
(C)
16
(D)
15
Answer
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