Reverse Percentages

1) A camera costs £180 in a 10% sale. What was the pre-sale price?

• £200

• £18

• £198

• £162

2) After fuel prices rose by 15%, a family’s annual heating bill was £1654. What would the bill have been without the price increase?

• £1438.26

• £1945.88

• £248.10

• £1500

3) The cost of a holiday, including VAT at 20% is £540. What is the pre-VAT price?

• £648

• £450

• £675

• £432.80

4) The world’s tiger population has decreased by 95% since 1910 and is now believed to be as low as 3200. If these figures are correct, what was the tiger population in 1910?

• 3040

• 160

• 3386

• 64000

5) The sale price of a television is £420 after a 15% reduction. What was the price before the sale?

• £63

• £2800

• £494

• £365

6) After a 6.5% pay rise an engineer’s salary is £36,700. What was the salary before the increase?

• £34460.09

• £2385.50

• £34314.50

• £39251.34

7) Due to falling orders a company reduces its workforce by 12% to 792. What was the original number of employees?

• 95

• 887

• 900

• 707

8) An engine modification improved the fuel consumption of a car by 27% to 17.2 km per litre. What was the fuel consumption before the modification?

• 4.644

• 21.844

• 13.543

• 12.556

9) After a long-haul flight, the total weight of a Boeing 747 had decreased by 27% to 305,000kg. What weight was the aircraft carrying at take-off?

• 82350

• 387350

• 369880

• 417808

10) An insurance company offers a no-claims discount of 55% for drivers who have not had an accident for four years. If the discounted premium for such a driver is £334, how would the driver have paid before the discount?

• £742.22

• £408.22

• £183.70

• £517.70