Question

If selling price of $10$ articles is equal to cost price of $11$ articles, then gain is:

• A. $8$%
• B. $9$%
• C. $8.5$%
• D. $10$%

Answer 1

Answer: (D)

$10$%

Let CP of $1$ article =Rs. $1$
CP of $11$ article =Rs. $11$
CP of $10$ article =Rs. $10$
SP of $10$ article =Rs. $11$
Profit % $=\frac{11-10}{10}\times 100$
$=10$%