Rajesh sells taperecorder to Mihir at a loss of $10 \%$ and Mihir sells it to Shiv at a loss of $20 \%$. If Shiv pays $Rs.\,1440$ for it, at what price did Rajesh buy? (in $Rs.$)

Aditya sold $TV$ to Sanjay at $12 \%$ more than the $CP.$ If Sanjay paid $Rs.\, 17696$ for that $TV$ then what was the original price of the $TV$ in $Rs.$?

The marked price of a bed is $Rs. 2400$ .The shopkeeper gives successive discounts of $10 \%$ and $X \%$ to customer. If the customer pays $Rs.\, 1836$ for's the bed then find the value of $X$ in $\%$?

A trader marks his goods $40 \%$ above the cost price and allows a discount of $25 \% .$ The profit he makes, is in $\%$

A dairyman pays $Rs.\, 6.40$ per litre of milk. He adds water and sells the mixture at $Rs.\, 8$ per litre, thereby making $37.5\%$ profit. The proportion of water to milk received by the customers is

Ram sold two horses at the same price. In one he gets a profit of $10 \%$ and in the other he gets a loss of $10 \% .$ Then Ram gets