Question

For every set of $19$ kites sold, vendor gives $1$ kite extra, free of cost. In order to give a discount of $10\%$, the no. of extra kites he should give in a sale of $27$ kites to the nearest integer is ?

• A. $1$
• B. $2$
• C. $3$
• D. $4$

Answer 1

The correct option is C $3$

When selling $20$ kites, he is charging for $19$ kites as he is giving one kite free.
So he is giving discount of $5\%$.
If he wants to give discount of $10\%$, he should give $3$ kites free with $27$ kites so that for sale of $30$ kites, he is charging sale price of $27$ kites.