By what fraction selling price $(S.P.)$ must be multiplied to get the cost price $(C.P.)$ if the loss is $20 \% ?$
$\frac{4}{5}$
$\frac{8}{5}$
$\frac{5}{4}$
$\frac{6}{5}$
Aditya bought $200$ dozen orange at $Rs.\, 10$ per dozen and he spent $Rs.\, 500$ on transportation. Hesold each orange at $Rs.\, 1$ each. What was his profit or loss $\% ?$
Sita sells a calculator to Gita at a gain of $17 \%$ and Gita sells it to Anu at a loss of $25 \%$. If Anu pays $Rs.\, 1842.75$ for it, then what did Sita pay for it? (in $Rs.$)
A trader buys $500\, kg$ of cotton for $Rs.\, 9,000.10 \%$ of this cotton is spoiled due to rain. At what rate ($Rs./ kg$) should he sell the rest to earn $10 \%$ profit?
Three successive discounts of $10 \%, 12 \%$ and $15 \%$ will amount to a single discount of in $\%$?
If the selling price of an article is $\frac{4}{3}^{rd}$ of its cost price the profit in the transaction is $\%$