Question
10 men can do a work in 25 days. After 12 days of work,
3 more men were engaged to finish the work. The number of days required to complete the remaining work is:Solution
ATQ- 10Ă—25 =(10Ă—12) +(13Ă—a) 250 =120+13a 13a =130 A = 10days.
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