1.

30 persons can finish a job in 20 days. After 6 days, how many persons should leave the job, so that work is completed in a total of 26 days?1). 92). 123). 84). 7

Answer»

30 PERSONS can finish a job in 20 days,

⇒ Total work = Days × men = 20 × 30 = 600 units

Work DONE in 6 days by 30 men = 6 × 30 = 180 units

⇒ Remaining work = 420 units

As the work is completed in a total of 26 days,

⇒ Remaining 420 units work to be completed in 20 days,

⇒ No of men = 420/20 = 21 men

9 men should leave.


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