Question

If 5 labour earn Rs 9000i in 15 days 'how many labourers can earn Rs.6720 in 8 days? ( unitary method)

Answer 1

5 labourers =9000 in 15 days
9000/- in a day=15*5
                     = 75
1/- in a day=5*15/9000
                  = 1/120
1/- in 8 days=1/120*8
 no.of labourers for 6720/- in 8 days=6720*1/120*8
                                                         = 672/96 
                                                         =7

∴7 labourers are required

Answer 2

Answer:

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