GCE O/L Mathematics (Sri Lanka) · Mathematics

Percentages, Rates and Money

64 practice questions, each with the answer and an explanation.

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Random questions from this topic, one at a time. You see the answer and the explanation straight after each one.

All 64 questions

  1. Find the compound interest on Rs. 2,000 at per annum for years.
  2. A trader buys an article for Rs. 500 and sells it for Rs. 550. Find the profit percentage.
  3. A bus travels at for hours. How far does it travel?
  4. A radio is marked at Rs. 20,000. A discount of is given and then a tax of is added to the discounted price. Find the amount to pay.
  5. 1 adult ticket and 1 child ticket cost Rs. 560, while 4 adult tickets and 3 child tickets cost Rs. 2,140. Find the price of one adult ticket.
  6. A shop sells a shirt for Rs. 600 after a discount of on the marked price. Find the marked price.
  7. Find the simple interest on Rs. 20,000 at per annum for years.
  8. A household's monthly electricity charge is: first units at Rs. 8 per unit, next units at Rs. 20 per unit and every unit after at Rs. 30 per unit. Find the charge for units.
  9. A car travels at and then returns the same at . Find the average speed for the whole journey.
  10. A radio is marked at Rs. 4,000. A discount of is given and then a tax of is added to the discounted price. Find the amount to pay.
  11. The price of a book rises from Rs. 50 to Rs. 58. Find the percentage increase.
  12. Find the compound interest on Rs. 4,000 at per annum for years.
  13. The exchange rate is 1 US dollar = Rs. 320. How many rupees are received for US dollars?
  14. A train covers in hours. Find its average speed.
  15. A radio is marked at Rs. 20,000. A discount of is given and then a tax of is added to the discounted price. Find the amount to pay.
  16. 2 adult tickets and 3 child tickets cost Rs. 1,360, while 1 adult ticket and 2 child tickets cost Rs. 800. Find the price of one adult ticket.
  17. A shop sells a shirt for Rs. 300 after a discount of on the marked price. Find the marked price.
  18. Find the compound interest on Rs. 8,000 at per annum for years.
  19. A trader buys an article for Rs. 2,000 and sells it for Rs. 2,400. Find the profit percentage.
  20. The exchange rate is 1 US dollar = Rs. 320. How many rupees are received for US dollars?
  21. A car travels at and then returns the same at . Find the average speed for the whole journey.
  22. A radio is marked at Rs. 10,000. A discount of is given and then a tax of is added to the discounted price. Find the amount to pay.
  23. 2 adult tickets and 2 child tickets cost Rs. 880, while 3 adult tickets and 2 child tickets cost Rs. 1,200. Find the price of one adult ticket.
  24. A shop sells a shirt for Rs. 1,800 after a discount of on the marked price. Find the marked price.
  25. Find the compound interest on Rs. 20,000 at per annum for years.
  26. A trader buys an article for Rs. 1,000 and sells it for Rs. 1,400. Find the profit percentage.
  27. The annual rates of a house are of its assessed annual value of Rs. 120,000. Find the amount payable each quarter (every 3 months).
  28. A train covers in hours. Find its average speed.
  29. A radio is marked at Rs. 5,000. A discount of is given and then a tax of is added to the discounted price. Find the amount to pay.
  30. 1 adult ticket and 1 child ticket cost Rs. 840, while 4 adult tickets and 3 child tickets cost Rs. 3,160. Find the price of one adult ticket.
  31. The price of a book rises from Rs. 50 to Rs. 56. Find the percentage increase.
  32. Find the simple interest on Rs. 8,000 at per annum for years.
  33. A trader buys an article for Rs. 1,200 and sells it for Rs. 1,440. Find the profit percentage.
  34. The exchange rate is 1 US dollar = Rs. 350. How many rupees are received for US dollars?
  35. A train covers in hours. Find its average speed.
  36. A radio is marked at Rs. 10,000. A discount of is given and then a tax of is added to the discounted price. Find the amount to pay.
  37. 3 adult tickets and 2 child tickets cost Rs. 2,450, while 3 adult tickets and 1 child ticket cost Rs. 2,110. Find the price of one adult ticket.
  38. of a number is . What is the number?
  39. Find the simple interest on Rs. 10,000 at per annum for years.
  40. The annual rates of a house are of its assessed annual value of Rs. 80,000. Find the amount payable each quarter (every 3 months).
  41. A radio is marked at Rs. 8,000. A discount of is given and then a tax of is added to the discounted price. Find the amount to pay.
  42. 1 adult ticket and 4 child tickets cost Rs. 820, while 3 adult tickets and 3 child tickets cost Rs. 1,830. Find the price of one adult ticket.
  43. A shop sells a shirt for Rs. 1,500 after a discount of on the marked price. Find the marked price.
  44. Find the compound interest on Rs. 4,000 at per annum for years.
  45. A bus travels at for hours. How far does it travel?
  46. A radio is marked at Rs. 4,000. A discount of is given and then a tax of is added to the discounted price. Find the amount to pay.
  47. 2 adult tickets and 4 child tickets cost Rs. 2,420, while 1 adult ticket and 1 child ticket cost Rs. 990. Find the price of one adult ticket.
  48. The price of a book rises from Rs. 50 to Rs. 60. Find the percentage increase.
  49. A trader buys an article for Rs. 800 and sells it for Rs. 1,000. Find the profit percentage.
  50. A household's monthly electricity charge is: first units at Rs. 10 per unit, next units at Rs. 20 per unit and every unit after at Rs. 30 per unit. Find the charge for units.
  51. A radio is marked at Rs. 2,000. A discount of is given and then a tax of is added to the discounted price. Find the amount to pay.
  52. Find the simple interest on Rs. 20,000 at per annum for years.
  53. A trader buys an article for Rs. 1,000 and sells it for Rs. 1,100. Find the profit percentage.
  54. A car travels at and then returns the same at . Find the average speed for the whole journey.
  55. A radio is marked at Rs. 2,000. A discount of is given and then a tax of is added to the discounted price. Find the amount to pay.
  56. 2 adult tickets and 1 child ticket cost Rs. 1,960, while 3 adult tickets and 3 child tickets cost Rs. 3,420. Find the price of one adult ticket.
  57. The price of an item is Rs. 2,000. It is increased by and the new price is then decreased by . Find the final price.
  58. Find the simple interest on Rs. 25,000 at per annum for years.
  59. The exchange rate is 1 US dollar = Rs. 350. How many rupees are received for US dollars?
  60. A train covers in hours. Find its average speed.
  61. A radio is marked at Rs. 4,000. A discount of is given and then a tax of is added to the discounted price. Find the amount to pay.
  62. 1 adult ticket and 4 child tickets cost Rs. 1,870, while 3 adult tickets and 4 child tickets cost Rs. 3,450. Find the price of one adult ticket.
  63. A shop sells a shirt for Rs. 1,600 after a discount of on the marked price. Find the marked price.
  64. Find the compound interest on Rs. 10,000 at per annum for years.

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