If eggs are bought $12$ for $Rs.\, 10$ and sold at $10$ for $Rs.\, 12$. What is the gain or loss $\%.$
$40 \%$ loss
$44 \%$ gain
$44 \%$ loss
None of these
Mohit lost $18 \%$ by selling a bicycle for $Rs.\, 1230$. What percent shall he gain or loss by selling it for $Rs.\, 1600 ?$
A $TV$ set is being sold for $Rs.$ $x$ in Chandigarh. A dealer went to Dellini and bought the $TV$ at $20 \%$ discount (from the price of Chandigarh). He spent $Rs.\, 600$ on transport. Thus he sold the set in Chandigarh for $Rs.$ $x$ making $14 \frac{2}{7} \%$ profit. What was $x$ in $Rs.?$
Mohan buys a watch for $Rs.\,350$ and sells it for $Rs.\,392.$ Find out his percentage of profit.
Present age of Bob is equal to Abby's age $8\, years$ ago. Four years hence, the respective ratio between Bob's age and Abby's age will be $4: 5$ at that time. What is Bob's present age? (in $years$)
A manufacturer undertakes to supply $2000$ pieces of a particular component at $Rs.\, 25$ per piece. According to his estimates, even if $5 \%$ fail to pass the quality tests, then he will make a profit of $25 \% .$ However, as it turned out, $50 \%$ of the components were rejected. What is the loss to the manufacturer ? (in $Rs.$)