If a banana cost is $Rs.\, 1.25$ and apple cost is $Rs .\,1 .75$ the what will be the cost of $2$ Dozen of Banana and $3$ Dozen of apple in $Rs.$?
$93$
$83$
$85$
$70$
When Ram sold his book for $Rs.\, 255$ he made a loss of $15\%.$ For how much he should have sold it if he wanted to make a profit of $5 \% ?$
If the selling price of $\frac{2}{3}$ of a certain quantity of milk be equal to the cost price of whole milk, then what will be the gain percent in this transaction?
A dealer marks his goods $30 \%$ above his cost price and then allows $15 \%$ discount on it. What is the cost price of an article on which he gains $Rs.\,84?$
A dealer fixed the price of an article $40 \%$ above the cost of production. While selling it he allows a discount of $20 \%$ and makes a profit of $Rs.\, 48$. The cost of production (in $Rs.$) of the article is
Due to a $20 \%$ rise in price of sugar, a bachelor is able to buy $1.5\, kg$ less for $Rs.\, 135.$ What is the increased price of sugar per $kg$ in $Rs.$ ?