Seema sells a pen to Sapna at a profit of $25 \% .$ Sapna sells it to Asha at a profit of $10 \%$ and Asha sells it to Kavita at a profit of $5 \%$. If Asha sells it for $Rs.\,231,$ find the cost price at which Seema bought the pen? (in $Rs.$)
$195$
$160$
$145$
$135$
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?
By selling $100$ oranges, a vendor gains the selling price of $20$ oranges. He gain percent is
Two third of consignment was sold at a profit of $5 \%$ and the remainder at a loss of $2 \%$. If the total profit was $Rs.\, 400$ , the value of the consignment was in $Rs.$?
A retailer offers the following discount schemes for buyers on an article
$I.$ Two successive discounts of $10 \%$
$II.$ A discount of $12 \%$ followed by a discount of $8 \%$
$III.$ Successive discounts of $15 \%$ and $5 \%$
$IV.$ A discount of $20 \%$
The selling price will be minimum under the scheme
Allowing $20 \%$ and $15 \%$ successive discounts, the selling price of an article becomes $Rs.\,3,060;$ then the marked price will be (in $Rs.$)