A merchant purchases a wrist watch for $Rs.\,450$ and fixes its list price in such a way that after allowing a discount of $10 \%,$ he earns a profit of $20 \%$. Then the list price (in rupees) of the wrist watch is
$500$
$600$
$750$
$800$
A fruit-seller buys $x$ guavas for $Rs.\, y$ and sells $y$ guavas for $Rs.\, x .$ If $x>y,$ then he made
A man buys $300$ dozen of bananas for $Rs.\, 3,600$. He sold $1 / 3^{rd}$ of the stock at a loss of $10 \%$ and the remaining $2 / 3^{rd}$ stock at a gain of $10 \% .$ Find his overall percent profit or loss.
When a book is sold at its Marked Price it gives a profit of $40 \% .$ What $\%$ will happen if it is sold at half the marked Price?
If the cost price is $96 \%$ of the selling price, then what is the profit percent?
Nutan pays $Rs.\, 2140$ for $3$ calculator and $4$ Pen while he pay $Rs.\, 1355$ for an additional calculator and $5$ Pen. Then what he paid for Calculator only in $RS.$?