$10 \%$ discount and then $20 \%$ discount in succession is equivalent to total discount of.......$\%$
$15$
$30$
$24$
$28$
Mahesh purchased $25\, kg$ of rice at $32$ per $kg$ and $15\, kg$ of rice at $Rs\,.36$ per $kg.$ He mixed the two varieties of rice and sold it at $Rs.\, 40.20$ per $kg.$ What is the percent profit earned?
A shopkeeper buys $144$ items at $90$ paisa each. On the way $20$ items are broken. He sells the remainder at $RS.\,1.20$ each. His gain percent correct to one place of decimal is
Successive discounts of $10 \%, 20 \%$ and $50 \%$ will be equivalent to a single discount of..........$\%$
Ramesh purchased a bicycle for $Rs.\,5200$ and spent $Rs.\,800$ on its repairs. He had to sell it for $Rs.\,5500.$ Find out his profit or loss percent.
In a certain store, the profit is $320 \%$ of the cost. If the cost increases by $25 \%$ but the selling price remains constant, approximately what percentage of the selling price is the profit?