Elitmus Exam Numerical Ability Ratio and Proportion

two blends of commodities costing rs 35 and rs 40 per kg respectively are mixed in the ratio2:3 by weight.if 1/5th of the mixture is sold at rs 46 perkg and the remaining at the rate of rs 55 perkg.then the profit % is?

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Elitmus Other Question

a retailer buys a sewing machine at a discount of 15% and sells it for rs1955.thus he makes a profit of how much rs? the total discount on rs 1860 due after a certain time at 5% is rs 60.find the time after which it is due