The price of an article is ₹ 8,250 which includes tax at 10%. Find how much more or less does a customer pay for the article, if the tax on the article:

(i) increases to 15%

(ii) decreases to 6%

(iii) increases by 2%

(iv) decreases by 3%.

A bicycle is available for ₹ 1,664 including tax. If the list price of the bicycle is ₹ 1,600, find

(i) the rate of Tax.

(ii) the price a customer will pay for the bicycle if the tax is increased by 6%.

Find the amount of bill for the following inter-state transaction of goods/services : Cost of transaction = ₹ 30,000, discount = 30% and GST = 28%.

For both the following inter-state transaction of services, find the total amount of bill.

(i) Cost of services = ₹ 5,000, discount = 20% and GST = 12%

(ii) Cost of services = ₹ 12,500, discount = 40% and GST = 18%