Three successive discounts of $10 \%, 12 \%$ and $15 \%$ will amount to a single discount of in $\%$?

Kamya purchased an item for $Rs.\, 46,000$ and sold it at aloss of $12$ percent. With that amount she purchased another item which he sold at a gain of $12 \% .$ What was her overall gain/loss?

Ajit caculates his profit percentage on the selling price whereas Rohit calculates his on the cost price. They find that the difference of their profits is $Rs.\, 100.$ If the selling price of both of them are the same and both of them get $25\%$ profit, find their selling price? (in $Rs.$)

A $TV$ set is being sold for $Rs.$ $x$ in Chandigarh. A dealer went to Dellini and bought the $TV$ at $20 \%$ discount (from the price of Chandigarh). He spent $Rs.\, 600$ on transport. Thus he sold the set in Chandigarh for $Rs.$ $x$ making $14 \frac{2}{7} \%$ profit. What was $x$ in $Rs.?$

A man purchased $120$ reams of paper at $Rs.\, 80$ per He spend $RS.\, 280$ on transportation, paid octrol at the rate of $40$ palse per ream and paid $Rs.\, 72$ to a porter. In order to gain $8 \%$ he must sell each ream of paper for (in $Rs.$)

A person sells $36$ apple per rupee and suffers a loss of $4 \% .$ Find how many apple per rupees to be sold to have a gain of $8 \%$.