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Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 749 · 40 questions
TalentJR

How to solve it (Throw away the weeks): Count the days between the two dates (use the month lengths: 30 or 31, February 28 in an ordinary year). Divide by 7: whole weeks do not change the day; the remainder does. Count the remainder on from the starting day.

NameDateTime takenScore ___ / 40
  1. 1.Today is Friday. What day of the week will it be after 71 days? (a) Friday (b) Monday (c) Saturday (d) Sunday
  2. 2.Today is Sunday. What day of the week will it be after 88 days? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
  3. 3.If 11 April is a Thursday, what day of the week is 3 May? (a) Friday (b) Saturday (c) Thursday (d) Sunday
  4. 4.If 23 April is a Saturday, what day of the week is 14 May? (a) Friday (b) Monday (c) Sunday (d) Saturday
  5. 5.Today is Thursday. What day of the week will it be after 27 days? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
  6. 6.If 1 March is a Thursday, what day of the week is 9 March? (a) Sunday (b) Saturday (c) Thursday (d) Friday
  7. 7.If 2 July is a Monday, what day of the week is 14 July? (a) Monday (b) Saturday (c) Sunday (d) Friday
  8. 8.If 22 November is a Tuesday, what day of the week is 2 December? (a) Thursday (b) Sunday (c) Saturday (d) Friday
  9. 9.If 13 July is a Saturday, what day of the week is 3 August? (a) Friday (b) Monday (c) Sunday (d) Saturday
  10. 10.If 16 March is a Monday, what day of the week is 7 April? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
  11. 11.If 11 September is a Thursday, what day of the week is 1 October? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
  12. 12.If 15 May is a Sunday, what day of the week is 2 June? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
  13. 13.Today is Wednesday. What day of the week will it be after 32 days? (a) Sunday (b) Tuesday (c) Monday (d) Saturday
  14. 14.If 4 May is a Tuesday, what day of the week is 15 May? (a) Friday (b) Sunday (c) Saturday (d) Monday
  15. 15.Today is Friday. What day of the week will it be after 72 days? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
  16. 16.Today is Sunday. What day of the week will it be after 36 days? (a) Tuesday (b) Monday (c) Wednesday (d) Sunday
  17. 17.If 22 March is a Saturday, what day of the week is 16 April? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
  18. 18.If 19 July is a Monday, what day of the week is 17 August? (a) Tuesday (b) Wednesday (c) Monday (d) Thursday
  19. 19.Today is Monday. What day of the week will it be after 63 days? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
  20. 20.Today is Thursday. What day of the week will it be after 85 days? (a) Sunday (b) Friday (c) Saturday (d) Thursday
  21. 21.If 2 October is a Saturday, what day of the week is 13 October? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
  22. 22.If 8 March is a Tuesday, what day of the week is 22 March? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
  23. 23.If 15 November is a Monday, what day of the week is 9 December? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
  24. 24.If 5 December is a Tuesday, what day of the week is 14 December? (a) Wednesday (b) Thursday (c) Saturday (d) Friday
  25. 25.If 14 January is a Thursday, what day of the week is 25 January? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
  26. 26.If 16 September is a Friday, what day of the week is 17 October? (a) Tuesday (b) Monday (c) Sunday (d) Wednesday
  27. 27.If 3 July is a Wednesday, what day of the week is 13 July? (a) Friday (b) Monday (c) Saturday (d) Sunday
  28. 28.Today is Tuesday. What day of the week will it be after 32 days? (a) Friday (b) Sunday (c) Monday (d) Saturday
  29. 29.If 18 January is a Thursday, what day of the week is 17 February? (a) Sunday (b) Monday (c) Saturday (d) Friday
  30. 30.Today is Thursday. What day of the week will it be after 30 days? (a) Monday (b) Sunday (c) Saturday (d) Friday
  31. 31.If 7 August is a Friday, what day of the week is 23 August? (a) Tuesday (b) Sunday (c) Monday (d) Saturday
  32. 32.If 3 March is a Saturday, what day of the week is 15 March? (a) Saturday (b) Wednesday (c) Friday (d) Thursday
  33. 33.If 11 May is a Friday, what day of the week is 27 May? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
  34. 34.If 12 January is a Saturday, what day of the week is 13 February? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
  35. 35.Today is Thursday. What day of the week will it be after 33 days? (a) Tuesday (b) Wednesday (c) Thursday (d) Monday
  36. 36.If 13 March is a Wednesday, what day of the week is 24 March? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
  37. 37.If 2 March is a Friday, what day of the week is 14 March? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
  38. 38.If 16 January is a Friday, what day of the week is 4 February? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
  39. 39.Today is Monday. What day of the week will it be after 17 days? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
  40. 40.Today is Sunday. What day of the week will it be after 27 days? (a) Saturday (b) Monday (c) Friday (d) Sunday

Answer key

  1. Saturday
  2. Thursday
  3. Friday
  4. Saturday
  5. Wednesday
  6. Friday
  7. Saturday
  8. Friday
  9. Saturday
  10. Tuesday
  11. Wednesday
  12. Thursday
  13. Sunday
  14. Saturday
  15. Sunday
  16. Monday
  17. Wednesday
  18. Tuesday
  19. Monday
  20. Friday
  21. Wednesday
  22. Tuesday
  23. Thursday
  24. Thursday
  25. Monday
  26. Monday
  27. Saturday
  28. Saturday
  29. Saturday
  30. Saturday
  31. Sunday
  32. Thursday
  33. Sunday
  34. Wednesday
  35. Tuesday
  36. Sunday
  37. Wednesday
  38. Wednesday
  39. Thursday
  40. Saturday

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