By selling an article for $Rs.\, 102,$ there is a loss of $15 \%$ When the article is sold for $RS.\,134.40,$ the net result in the transaction is

A sells an article to $B$ for $Rs.\, 45,000$ losing $10 \%$ in the transaction. $B$ sells it to $C$ at a price which would have given a profit of $10 \%$ to $A$. By what per cent does $B$ gain?

A shopkeeper allows a discount of $10 \%$ on the marked price of an item but charges a sales tax of $8 \%$ on the discounted price. If the customer pays $Rs.\, 3,402$ as the price including the sales tax, then the marked price is (in $Rs.$)

With a $5 \%$ discount on the cost of sugar, a buyer could purchase $2\, kg$ more sugar for $Rs.$ $608 .$ Selling price of sugar is? (in $Rs$)

Allowing $20 \%$ and $15 \%$ successive discounts, the selling price of an article becomes $Rs.\,3,060;$ then the marked price will be (in $Rs.$)

The cash difference between the selling prices of an article at a profit of $4 \%$ and $6 \%$ is $Rs.\, 3.$ The ratio of the two selling price is