A producer blends two quantities of rice, one costing rs. 12.50 per kg and the other costing rs. 14.00 per kg in the ratio 4 : 5. find his profit per cent if he sells the mixture at the rate of rs. 16 per kg.
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Solving the question logically:
Cost of quantity 1 =12.5/kg
Cost of quantity 2=14/kg.
He is selling at 16/kg
So from quantity 1 he is gaining (16-12.5)*4=14 rs.
From quantity 2 he is gaining (16-14)*5=10 rs.
total profit of 24 rs.
Total CP= 12.5*4+14*5=50+70=120 rs.
Profit%=24/120*100=20
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