On an item marked Rs. $2{,}500$, a shopkeeper gives a discount of $10\%$ and then GST of $12\%$ is charged…

On an item marked Rs. $2{,}500$, a shopkeeper gives a discount of $10\%$ and then GST of $12\%$ is charged on the discounted price. The final price paid is
  1. Rs. $2{,}500$
  2. Rs. $2{,}520$
  3. Rs. $2{,}600$
  4. Rs. $2{,}700$

Solution

After discount: $2500 \times 0.90 = 2250$. After GST: $2250 \times 1.12 = 2520$.

Asked in: IMO

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