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A work which could be finished in 9 days was finished 3 days earlier after 10 more men joined.
Question 1:
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?
A.
18
B.
20
Feedback
x ------- 9
(x + 10) ---- 6
x * 9 = (x + 10)6
x = 20
C.
22
D.
24
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