A men bought apples at the rate of $8$ for $Rs.\, 34$ and sold them at the rate of $12$ for $Rs.\, 57 .$ How many apples should be sold to earn a net profit of $Rs.$ $45 ?$
$90$
$100$
$135$
$150$
By selling an article at $80 \%$ of its marked price, a shopkeeper makes a loss of $10 \% .$ What will be the profit percentage if he sells it at $95 \%$ of its marked price?
A man buys a cycle for $Rs$ $1400$ and sells it at a loss of $15 \% .$ What is the selling price of the cycle? (in $Rs.$)
A person purchased a saree for $Rs.\,7710$ after availing a net discount of $Rs.\,1285.$ The percentage of discount, the saree$-$shop offers, is
Raheem sells a machine for $RS.\,48$ lakh at a loss. Had he sold it for $RS.\, 60$ lakh, his gain would have been 5 times the former loss. Find the cost price of the machine. $Rs.$ in lakh ?
Ram purchases a chair at $Rs.\, 70$ and spent $Rs$. $17$ on its repair and $50$ paise on cartage. If he sold the chair at $Rs.\, 100$ then his approximate margin of profit in $\%$ will be?