working together 20 men of the same capacity can finish a job in 15 days. now 20 men start together on this job, but 10 of them leave after 10 days. how many more days remaining men take to finish the job?
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Answer:
10 more days
Step-by-step explanation:
Given,
working together 20 men of the same capacity can finish a job in 15 days.
20 men=1/15 days
now 20 men start together on this job, but 10 of them leave after 10 days.
20 men did 10 days of work
20 men=10/15
20 men=2/3 part work done by 20 men in 10 days
remaining work is 1-2/3=1/3
1/3 work has to be done by 10 men in how many days
let x be days
let 2p/3p work is done by 20 men in 10 days
20 men*10 days=2p-----(1)
10 men*x days=1 p ----(2)
by dividing Eq(1) by (2)
20*10/10*x=2p/1p
x=10 days
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