A shopkeeper sold a $TV$ set for $Rs.$ $17940$ with a discount of $8 \%$ and earned a profit of $19.6 \%$ What would have been the percentage of profit earned if no discount was offered?

In these questions, two equations mabered $I$ and $II$ are given. You have to solve both the equations and mark the appropriate option..

$I$. $6 x^{2}+19 x+15=0$

$II$.$3 y^{2}+11 y+10=0$

A reduction of $21 \%$ in the price of an item enables a person to buy $3\, Kg$ more for $Rs.\,100.$ The reduced price of the item per $Kg$ is (in $Rs.$)

A dishonest dealer defrauds to the extent of $x \%$ in buying as well as selling his goods by using faulty weight. What will be the gain per cent on his outlay?

Suresh purchased a $TV$ set for $Rs.$ $11250 .$ He spent $Rs.\,800$ on installation and $Rs.$ $150$ on transportation. At what price should it be sold so that the profit earned would have been $15 \%$, if no discount was offered? (in $Rs.$)

A person sells two articles, each for $Rs.\,1040.$ He incurs $20 \%$ loss on the first and $10 \%$ loss on the second. Find out overall percent loss.