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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 |
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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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