Q1. The marked price of a shirt is ₹800. A discount of 10% is given. Find the selling price.
Solution — stepwise
Step 1 — Compute the discount:
Discount = (10/100) × ₹800 = 0.10 × 800 = ₹80.
Step 2 — Subtract discount from marked price to get S.P.:
S.P. = M.P. − Discount = ₹800 − ₹80 = ₹720.
Q2. A mobile phone has a marked price of ₹15,000. A dealer offers a discount of 12%. Find the selling price.
Solution — stepwise
Step 1 — Discount: (12/100) × 15,000 = 0.12 × 15,000 = ₹1,800.
Step 2 — Selling price: 15,000 − 1,800 = ₹13,200.
Q3. The selling price of a laptop after discount is ₹45,000. If GST is 18%, find the GST amount.
Solution — stepwise
Step 1 — GST formula: GST = (18/100) × S.P.
Step 2 — Compute: GST = 0.18 × ₹45,000 = ₹8,100.
Q4. A refrigerator has a marked price of ₹20,000. A discount of 10% is given, and GST at 12% is applied on the selling price. Find the total price paid by the customer.
Solution — stepwise
Step 1 — Discount amount: (10/100) × 20,000 = ₹2,000.
Step 2 — Selling price (after discount): 20,000 − 2,000 = ₹18,000.
Step 3 — GST on S.P.: (12/100) × 18,000 = 0.12 × 18,000 = ₹2,160.
Step 4 — Total price paid: S.P. + GST = 18,000 + 2,160 = ₹20,160.
Q5. The cost price of a fan is ₹2,000. The shopkeeper sells it at a marked price of ₹2,400 after a discount of 10%. Find the selling price.
Solution — stepwise
Step 1 — Compute discount on M.P.: (10/100) × 2,400 = ₹240.
Step 2 — Selling price: 2,400 − 240 = ₹2,160.
Q6. Find the GST charged on a washing machine whose selling price after discount is ₹32,000. The GST rate is 18%.
Solution — stepwise
Step 1 — GST formula: GST = (18/100) × S.P.
Step 2 — Compute: GST = 0.18 × 32,000 = ₹5,760.
Q7. A TV is marked at ₹50,000. A discount of 20% is offered. GST is charged at 18%. Find the total amount payable.
Solution — stepwise
Step 1 — Discount: (20/100) × 50,000 = ₹10,000.
Step 2 — Selling price: 50,000 − 10,000 = ₹40,000.
Step 3 — GST: (18/100) × 40,000 = 0.18 × 40,000 = ₹7,200.
Step 4 — Total payable: 40,000 + 7,200 = ₹47,200.
Q8. The selling price of a fridge is ₹25,000 after discount. If CGST = 9% and SGST = 9%, find the total tax and final price.
Solution — stepwise
Step 1 — CGST amount: (9/100) × 25,000 = 0.09 × 25,000 = ₹2,250.
Step 2 — SGST amount: equal = ₹2,250.
Step 3 — Total tax: 2,250 + 2,250 = ₹4,500.
Step 4 — Final price: 25,000 + 4,500 = ₹29,500.
Q9. A microwave oven has a marked price of ₹12,000. A discount of 15% is given. If GST at 18% is applied on the selling price, find the total cost to the customer.
Solution — stepwise
Step 1 — Discount amount: (15/100) × 12,000 = 0.15 × 12,000 = ₹1,800.
Step 2 — Selling price: 12,000 − 1,800 = ₹10,200.
Step 3 — GST: (18/100) × 10,200 = 0.18 × 10,200 = ₹1,836.
Step 4 — Total cost: 10,200 + 1,836 = ₹12,036.
Q10. A shopkeeper sells an item for ₹5,000 after discount. If IGST at 18% is applied, what is the total bill?
Solution — stepwise
Step 1 — IGST amount: (18/100) × 5,000 = 0.18 × 5,000 = ₹900.
Step 2 — Total bill: 5,000 + 900 = ₹5,900.
Q11. The selling price of a sofa set is ₹36,000. If CGST = 9% and SGST = 9%, find the final amount payable by the customer.
Solution — stepwise
Step 1 — CGST: (9/100) × 36,000 = 0.09 × 36,000 = ₹3,240.
Step 2 — SGST: equal = ₹3,240.
Step 3 — Total tax: 3,240 + 3,240 = ₹6,480.
Step 4 — Final payable amount: 36,000 + 6,480 = ₹42,480.
Q12. A camera is marked at ₹25,000. The shopkeeper gives a discount of 8%. GST is levied at 12%. Find the final bill amount.
Solution — stepwise
Step 1 — Discount: (8/100) × 25,000 = 0.08 × 25,000 = ₹2,000.
Step 2 — Selling price after discount: 25,000 − 2,000 = ₹23,000.
Step 3 — GST (12%): (12/100) × 23,000 = 0.12 × 23,000 = ₹2,760.
Step 4 — Final bill: 23,000 + 2,760 = ₹25,760.
Q13. A customer buys a laptop whose selling price is ₹60,000 after discount. If GST is 18%, calculate the amount of CGST and SGST separately.
Solution — stepwise
Step 1 — Total GST (18%): (18/100) × 60,000 = 0.18 × 60,000 = ₹10,800.
Step 2 — Since this is intra-state, split equally:
CGST = SGST = Total GST ÷ 2 = 10,800 ÷ 2 = ₹5,400 each.
Step 3 — Final price (extra info): 60,000 + 10,800 = ₹70,800 (if needed).
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