You can calculate the original amount from before a percentage rise/fall by reversing the change.

A coat costs £48.75 in a sale which is giving 25% off the original cost.

What was the original cost of the coat?

£36.56

£60.94

£65.00

A house costs £102,600 after an 8% increase in house prices.

What was the original cost of the house?

£94,392

£95,000

£101,650

The cost of a kettle is £30 (including VAT).

If VAT is calculated at 20%, what is the price of the kettle without VAT?

£24

£25

£37.50

A washing machine sells for £240, after a discount of 20% on its original price. Find the original price.

£260

£288

£300

The price of a bicycle increases by 10% to £198. Find the price before the increase.

£178.20

£180

£188

A packet of washing powder is advertised as having '20% extra powder'. If it contains 1.32kg. What would the original pack contain?

1kg

1.06kg

1.1kg

A shop sells 300 radios in a year. If this is a 50% increase on sales the previous year, how many radios were sold the year before?

150

200

250

A new car falls in value by 25% in a year. After a year, it's worth £9,600. Find the price of the car when it was new.

£9,625

£12,000

£12,800

A television is on sale at a 10% reduction. It now costs £270. What did the television cost originally?

£290

£297

A takeaway pizza costs £7.50. This includes VAT at 20%. How much is paid in VAT?

£1.25

£1.50

£6.50