-3
A work which could be finished in 9 days was finished 3 days earlier after 10 more men joined. The number of men employed was?
- A18
- B20
- C22
- D24
Correct answer: B
Discussion 1
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0
CCommunity
20
x ------- 9
(x + 10) ---- 6
x * 9 = (x + 10)6
x = 20
x ------- 9
(x + 10) ---- 6
x * 9 = (x + 10)6
x = 20