Example 1 · level 1
A pressure cooker costs ₹3,000 before tax. GST is charged at 18%. What is the total bill?
Show solution
- GST = 18% of ₹3,000 = ₹540.
- Bill = ₹3,000 + ₹540 = ₹3,540.
Answer: ₹3,540
CLASS 8 MATHS · COMPARING QUANTITIES
Discount and GST on a bill
Take the discount off the marked price first, then add GST on the reduced price.
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Worked examples
Example 2 · level 2
In a Christmas sale, a pressure cooker marked ₹700 is sold at 20% discount. GST of 5% is charged on the discounted price. What is the final bill?
Show solution
- Discount = 20% of ₹700 = ₹140, so price = ₹560.
- GST = 5% of ₹560 = ₹28.
- Bill = ₹560 + ₹28 = ₹588.
Answer: ₹588
Example 3 · level 3
Diya's Pongal bill has sweets worth ₹280 (GST 5%) and a pressure cooker worth ₹350 (GST 18%). What is the total bill including GST?
Show solution
- GST on sweets = 5% of ₹280 = ₹14.
- GST on the item = 18% of ₹350 = ₹63.
- Total = 280 + 350 + 14 + 63 = ₹707.
Answer: ₹707