A fruitseller sells mangoes at the rate of $Rs.\, 9$ per $kg$ and thereby loses $20 \% .$ At what price per kg he should have sold them to make a profit of $5 \% ?$ (in $Rs.$)
$11.81$
$12$
$12.25$
$12.31$
A shopkeeper purchased $70$ $kg$ of potatoes for $Rs.\, 420$ and sold the whole lot at the rate of $Rs.\, 6.5$ per $kg.$ What will be his gain percent?
A pair of article, was bought for $Rs.\, 37.40$ at a discount of $15 \% .$ What must be the marked price of each of the articles?
Find $SP$ when $C P=R s. \,56 .25$ and $\operatorname{Gain}=20 \% ?$
A man sells an article at $5 \%$ above its cost price. If he had bought it at $5 \%$ less than what he had paid for it and sold it at $Rs.\, 2$ less, he would have gained $10 \% .$ The cost price of the article is (in $Rs.$)
A shopkeeper loses $7 \%$ by selling a cricket ball for $Rs.\,31.$ For how much should he sell the ball so as to $\operatorname{gain} 5 \% ?$ (in $Rs.$)