CAT (QA) PYQs

An item with a cost price of Rs. 1650 is sold at a certain discount on a fixed marked price to earn a profit of 20% on the cost price. If the discount was doubled, the profit would have been Rs. 110. The rate of discount, in percentage, at which the profit percentage would be equal to the rate of discount, is nearest to

Two types of tea, $A$ and $B$, are mixed and then sold at Rs. $40$ per kg. The profit is $10 \%$ if A and B are mixed in the ratio $3: 2$, and $5 \%$ if this ratio is $2: 3$. The cost prices, per kg , of $A$ and $B$ are in the ratio

In a market, the price of medium quality mangoes is half that of good mangoes. A shopkeeper buys $80 \mathrm{~kg}$ good mangoes and $40 \mathrm{~kg}$ medium quality mangoes from the market and then sells all these at a common price which is $10 \%$ less than the price at which he bought the good ones. His overall profit is