A dealer buys an article for ₹5,000 and marks it 40% above cost. He allows a discount of 25% on the marked price and charges GST at 12%. Find (i) the marked price, (ii) the selling price before tax and (iii) the amount paid by the customer.

A shopkeeper in Lucknow buys an article from a dealer in Kanpur for ₹20,000 and sells it to a consumer in Lucknow at a profit of 20%. The rate of GST is 18%. Find (i) the tax paid by the shopkeeper on the purchase, (ii) the tax collected from the consumer, and (iii) the net tax paid by the shopkeeper.

A dealer paid ₹1,800 as CGST on a purchase and collected ₹2,430 as CGST on the sale of the same goods. Every transaction was intra-state at a GST rate of 18%. Find the value of the goods purchased, the value of the goods sold, and the dealer's profit before tax.

A dealer buys goods for ₹30,000 and sells them for ₹45,000 within the same state. If the rate of GST is 12%, find the input tax credit available to the dealer and the net GST paid to the government.

A manufacturer sells a machine to a dealer for ₹60,000 and the dealer sells it to a consumer for ₹75,000. The rate of GST throughout is 18%. Find the net GST paid by the dealer.

A retailer buys goods worth ₹80,000 from a manufacturer in the same state and sells them to consumers for ₹1,00,000. A second retailer buys identical goods worth ₹80,000 from a manufacturer in a different state and also sells them for ₹1,00,000 within his own state. GST is 18% throughout. Show that both retailers pay the same net tax.

A consumer pays ₹6,300 for an article including GST. If the rate of GST is 5%, find the amount of GST included in the price.