A man purchased some eggs at $3$ for $Rs.\, 5$ and sold them at $5$ for $Rs.\, 12 .$ Thus, he gained $Rs.\, 143$ in all. The number of eggs he bought is
$210$
$200$
$195$
$190$
$10 \%$ discount and then $20 \%$ discount in succession is equivalent to total discount of.......$\%$
A bakery bakes cake with the expectation that it will earna profit of $40 \%$ by selling each cake at marked price. But during the delivery to showroom $16 \%$ of the cakes were completely damaged and hence could not be sold. $24 \%$ of the cakes were slightly damaged and hence could be sold at $80 \%$ of the cost price. The remaining $60 \%$ of the cakes were sold at marked price. What is the percentage profit in the whole consignment?
A manufacturer sells an article to a wholesale dealer at a profit of $10 \%$. The wholesale dealer sells it to a shopkeeper at $20 \%$ profit. The shopkeeper sells it to a customer for $Rs.\, 56,100$ at a loss of $15 \%$. Then the cost price of the article to the manufacturer is (in $Rs.$)
$'A'$ buys an article and sells it to $'B'$ at a profit of $10 \%,{ }^{\prime} B ^{\prime}$ sells it to $'C ^{\prime}$ gaining $20 \% .$ If $'C ^{\prime}$ gives $RS.\,924,$ what amount did $'A'$ give? (in $Rs.$)
$A$ and $B$ started a business by investing $Rs.\, 3,50,000$ and $Rs.,1,40,000$ respectively. A gets $20\%$ of the yearly profit for managing the business. Thereafter the profit is divided in the ratio of the capital. If $A$ receives totally $Rs.\,38,000$ more than $B$ at the end of a $year,$ then the profit is (in $Rs.$)