Hemant purchased $120$ rims of paper at $Rs.\,80$ per rim. He spent $Rs.\,280$ on transportation, paid octroi at the rate of $40$ paise per rim and paid $Rs.\,72$ to the coolie. If he wants to have a gain of $8 \%,$ the selling price per rim must be (in $Rs.$)
$89$
$90$
$95$
None of these
A shopkeeper sells two watches for $Rs.\,308$ each. On one watch he earns $12 \%$ profit and on the others he suffers $12 \%$ loss. His profit or loss in the entire transaction was
Sanjay purchased a chair marked at $Rs.\, 800$ at $2$ successive discount of $10 \%$ and $15 \%$ respectively. He spent $Rs.\, 28$ on transportation and sold the chair for $Rs.$ $800 .$ How much is his gain percentage?
If $11$ Mango are bought for $Rs.\, 10$ and sold at $10$ for $Rs.\, 11 .$ What was Gain or Loss $\% ?$
$'A ^{\prime}$ sells an article to $'B ^{\prime}$ at a gain of $20 \%$ and $' B ^{\prime}$ sells it to $'C ^{\prime}$ at a gain of $10 \%$ and $'C ^{\prime}$ sells it to $'D'$ at a gain of $12 \frac{1}{2} \%$. If ${ }^{\prime} D$ ' pays $Rs.\, 29.70$ what did it cost to $'A ^{\prime} ?$ (in $Rs.$)
A shopkeeper gains $17 \%$ after allowing a discount of $10 \%$ on the marked price of an article. Find his profit percent if the article is sold at marked price allowing no discount.