8. If 12 labourers can earn 12240 in 12 days, how many labourers can earn 6800 in
8 days?
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Answer:
First we have to find wages for work done by one man in one day.
12 man in 12 days gets 12240.
So 1 man in 1 day = 12240/(12*12)=85
Now “N” men in 8 days = N*85*8 which is given as 6800.
N=6800/(85*8)
N=10
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