A trader had $1200\, kg$ of rice. He sold a part of it at $5 \%$ profit and the rest at $11 \%$ profit, so that he made a total profit of $7 \%$. How much (in $kg$ ) rice did he sell at $5 \%$ profit?

A shopkeeper gives $12 \%$ additional discount on the discounted price, after giving an initial discount of $20 \%$ on the labelled price of a radio. If the final selling price of the radio is $Rs \,704$ then what is its labelled price?(In $Rs$)

A manufacturer fixes his selling price at $33 \%$ over the cost of production. If cost of production goes up by $12 \%$ and manufacturer raises his selling price by $10 \%,$ his percentage profit is

If an item is sold for $Rs.\, 924$ then there is a profit of $10 \%$ then what is the cost price in $\%$?

A shopkeeper gains the cost of $8$ metres thread by selling $40$ metres thread. Find his gain percent.

Mr. Kapur purchased two toy cycles for $Rs. 750$ each. He sold these cycles, gaining $6 \%$ on one and losing $4 \%$ on the other. The gain or loss percent in the whole transaction is