Question

If the discount is $10\%$, an item bought for ₹9 is priced at

• A. ₹11
• B. ₹10
• C. ₹ 8.10
• D. ₹12

Answer 1

The correct option is B ₹10

Let CP be ₹x. Then,
$SP=x-\frac{10x}{100}=\frac{90x}{100}$
But SP = 9
So, $\frac{90x}{100}=9$
x = ₹10