35 persons are engaged to complete a work in 60 days. after 32 days it is observed that only (2/5)th part of the work has been done. the number of persons to be engaged to complete the remaining work in the said period is options: 1) 20 2) 35 3) 30 4) 25
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35 men can do 2/5 part of work in 32 days.
let x men can do (1-2/5)=3/5 part of work in (60-32)=28 days.
x/35=32/28*(3/5)/(2/5)
x=60
no. of persons newly engaged=(60-35)=25
let x men can do (1-2/5)=3/5 part of work in (60-32)=28 days.
x/35=32/28*(3/5)/(2/5)
x=60
no. of persons newly engaged=(60-35)=25
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