Question 1: A shirt was sold at a 25% discount and the sale price was £45. What was the original price?

Answer: 60

Question 2: After a 15% decrease, a laptop's price is £850. Find the original price.

Answer: 1000

Question 3: A store reduces its prices by 20%. If an item now costs £48, what was its original price?

Answer: 60

Question 4: A photograph's value decreased by 30%. If the new value is £70, what was its original value?

Answer: 100

Question 5: A bicycle's price was reduced by 10%, and the new price is £540. Calculate the original price.

Answer: 600

Question 6: During a sale, a jacket's price was decreased by 40%. If the sale price is £180, what was the original price?

Answer: 300

Question 7: A car's value drops by 12%. If its current value is £44,000, find its original value.

Answer: 50000

Question 8: A mobile phone was originally priced at £800. After a 25% decrease, it was sold for £600. Is this consistent? Explain your reasoning.

Answer: No, because a 25% decrease on £800 is £200, reducing the price to £600, which matches the sale price, so it is consistent.

Question 9: Construct a rectangle on the grid whose length is 10 units, and the width is decreased by 20%. Mark the original width if the decreased width is 8 units.

Answer: Original width = 10 units

Question 10: A store applies successive discounts of 10% and then 20% on a jacket. An item now costs £64 after both discounts. Find the original price before discounts.

Answer: 100

Question 11: Identify and correct the mistake: A student calculates the original price after a 25% decrease as £75 from a sale price of £75, stating the original was £100. Is this correct? Explain.

Answer: Incorrect; 25% of £100 is £25, so sale price should be £75, which is correct. The student's method was correct, but the explanation may need clarification.