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6. A labourer earns 156 in 3 hours. Howrer earns r156 in 3 hours. How much will he earn in 7 hours?

Answer»

labour earn in 3 hours = ₹ 156labour earn in 1 hour = ₹156÷3 = ₹51so ,labour earn in 7 hours = 7× ₹51 =₹357

in 3 hours = 156 RS.

in 7 hours= ?

3/7 = 156/x

3×x = 156× 7

3×x = 1092

x = 1092/3

x = 364

he will earn 364rs in 7hours.



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