← Maths Olympiad mock test lesson New set →

Maths Olympiad Sample Paper (Practice)

Maths Olympiad topic 20: Maths Olympiad mock test · Set 831 · 40 questions
TalentJR

How to solve it (Spot the topic first): Read the question and name the topic: HCF/LCM, fractions, calendar, ratio, percentage, interest, average, equation or number theory. Use that lesson’s method; write small working on rough paper. Look at the options: rule out answers that are too big, too small or the wrong kind. Check your answer by working backwards when you can.

NameDateTime takenScore ___ / 40
  1. 1.In how many years will ₹7500 earn ₹1125 simple interest at 5% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
  2. 2.1/2 + 3/4 = ? (a) 3/2 (b) 1 (c) 5/4 (d) 2/3
  3. 3.Which is the greatest: 0.343, 0.023, 0.4, 0.42? (a) 0.343 (b) 0.023 (c) 0.4 (d) 0.42
  4. 4.What is the simple interest on ₹2500 at 12% per year for 3 years? (a) ₹3400 (b) ₹1200 (c) ₹300 (d) ₹900
  5. 5.4 workers can build a wall in 12 days. How many days will 3 workers take, working at the same speed? (a) 13 days (b) 9 days (c) 16 days (d) 11 days
  6. 6.A batter has an average of 60 runs in 6 matches. How many runs are needed in the next match to raise the average to 65? (a) 70 (b) 95 (c) 35 (d) 65
  7. 7.What is the average of all the whole numbers from 13 to 37? (a) 24 (b) 26 (c) 12 (d) 25
  8. 8.If 4x − 14 = 18, what is x? (a) 9 (b) 8 (c) 1 (d) 32
  9. 9.What is 15% of 220? (a) 66 (b) 187 (c) 33 (d) 330
  10. 10.If 2x + 8 = 32, what is x? (a) 24 (b) 12 (c) 13 (d) 20
  11. 11.If 7x + 30 = 86, what is x? (a) 7 (b) 8 (c) 9 (d) 56
  12. 12.If 3x + 6 = 45, what is x? (a) 39 (b) 13 (c) 17 (d) 14
  13. 13.1/2 + 2/3 = ? (a) 3/5 (b) 1 (c) 7/6 (d) 4/3
  14. 14.Every pair follows the same rule: 3 : 5, 8 : 20, 9 : 23. What is 2 : ? (a) 4 (b) 2 (c) 3 (d) 1
  15. 15.Every pair follows the same rule: 3 : 21, 6 : 24, 8 : 26. What is 2 : ? (a) 19 (b) 21 (c) 14 (d) 20
  16. 16.What is the average of 47, 55, 67, 44 and 57? (a) 55 (b) 54 (c) 56 (d) 53
  17. 17.Which of these numbers is divisible by 6? (a) 5060 (b) 5058 (c) 5057 (d) 5069
  18. 18.If 7 December is a Thursday, what day of the week is 22 December? (a) Thursday (b) Friday (c) Saturday (d) Sunday
  19. 19.In how many years will ₹10000 earn ₹800 simple interest at 4% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
  20. 20.What is the simple interest on ₹9500 at 11% per year for 2 years? (a) ₹11590 (b) ₹1045 (c) ₹2090 (d) ₹3135
  21. 21.What is the average of all the whole numbers from 20 to 32? (a) 12 (b) 27 (c) 26 (d) 6
  22. 22.What is 1/8 of 32? (a) 28 (b) 4 (c) 5 (d) 8
  23. 23.A rectangle is 14 cm long and 7 cm wide. What is its area? (a) 98 sq cm (b) 112 sq cm (c) 21 sq cm (d) 42 sq cm
  24. 24.Which is the greatest: 0.193, 0.2, 0.27, 0.025? (a) 0.193 (b) 0.2 (c) 0.27 (d) 0.025
  25. 25.Every pair follows the same rule: 2 : 6, 5 : 15, 7 : 21. What is 9 : ? (a) 26 (b) 28 (c) 13 (d) 27
  26. 26.A rectangle is 19 cm long and 8 cm wide. What is its perimeter? (a) 152 cm (b) 27 cm (c) 46 cm (d) 54 cm
  27. 27.What is 5/7 of 63? (a) 45 (b) 9 (c) 18 (d) 54
  28. 28.If 6x − 65 = 1, what is x? (a) 66 (b) 10 (c) 11 (d) 12
  29. 29.Which fraction is greater: 6/11 or 1/3? (a) 6/11 (b) They are equal (c) 1/3
  30. 30.What is the average of all the whole numbers from 53 to 63? (a) 10 (b) 5 (c) 58 (d) 59
  31. 31.If x/2 + 7 = 16, what is x? (a) 46 (b) 9 (c) 18 (d) 25
  32. 32.6 workers can build a wall in 4 days. How many days will 2 workers take, working at the same speed? (a) 11 days (b) 13 days (c) 8 days (d) 12 days
  33. 33.A bag marked ₹1720 is sold at a 15% discount. What is its selling price? (a) ₹1705 (b) ₹258 (c) ₹1462 (d) ₹1978
  34. 34.Which is the smallest: 0.63, 0.064, 0.522, 0.6? (a) 0.63 (b) 0.064 (c) 0.522 (d) 0.6
  35. 35.3.77 + 1.5 = ? (a) 3.92 (b) 5.27 (c) 5.37 (d) 5.17
  36. 36.The simple interest on ₹4500 for 5 years is ₹900. What is the rate per year? (a) 20% (b) 3% (c) 4% (d) 5%
  37. 37.What is the remainder when 68 is divided by 5? (a) 1 (b) 4 (c) 3 (d) 2
  38. 38.What is the smallest number you must add to 98 to make it divisible by 6? (a) 2 (b) 5 (c) 4 (d) 3
  39. 39.A bag marked ₹1920 is sold at a 40% discount. What is its selling price? (a) ₹2688 (b) ₹1880 (c) ₹1152 (d) ₹768
  40. 40.What is 2/9 of 27? (a) 6 (b) 3 (c) 21 (d) 9

Answer key

  1. 3 years
  2. 5/4
  3. 0.42
  4. ₹900
  5. 16 days
  6. 95
  7. 25
  8. 8
  9. 33
  10. 12
  11. 8
  12. 13
  13. 7/6
  14. 2
  15. 20
  16. 54
  17. 5058
  18. Friday
  19. 2 years
  20. ₹2090
  21. 26
  22. 4
  23. 98 sq cm
  24. 0.27
  25. 27
  26. 54 cm
  27. 45
  28. 11
  29. 6/11
  30. 58
  31. 18
  32. 12 days
  33. ₹1462
  34. 0.064
  35. 5.27
  36. 4%
  37. 3
  38. 4
  39. ₹1152
  40. 6

Free maths olympiad lessons, practice and worksheets at talentjr.in/maths-olympiad