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Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 440 · 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 Sunday. What day of the week will it be after 87 days? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
  2. 2.If 29 June is a Saturday, what day of the week is 2 July? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
  3. 3.Today is Thursday. What day of the week will it be after 67 days? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
  4. 4.If 15 June is a Thursday, what day of the week is 8 July? (a) Sunday (b) Friday (c) Saturday (d) Monday
  5. 5.Today is Tuesday. What day of the week will it be after 79 days? (a) Thursday (b) Wednesday (c) Friday (d) Saturday
  6. 6.If 27 May is a Wednesday, what day of the week is 19 June? (a) Friday (b) Saturday (c) Thursday (d) Sunday
  7. 7.If 12 December is a Monday, what day of the week is 28 December? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
  8. 8.If 3 December is a Friday, what day of the week is 16 December? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
  9. 9.Today is Monday. What day of the week will it be after 89 days? (a) Sunday (b) Monday (c) Friday (d) Saturday
  10. 10.Today is Monday. What day of the week will it be after 13 days? (a) Monday (b) Sunday (c) Tuesday (d) Saturday
  11. 11.If 28 November is a Monday, what day of the week is 6 December? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
  12. 12.If 11 August is a Friday, what day of the week is 9 September? (a) Sunday (b) Friday (c) Monday (d) Saturday
  13. 13.If 2 October is a Tuesday, what day of the week is 13 October? (a) Monday (b) Friday (c) Saturday (d) Sunday
  14. 14.If 13 January is a Monday, what day of the week is 13 February? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
  15. 15.If 29 January is a Sunday, what day of the week is 20 February? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
  16. 16.Today is Monday. What day of the week will it be after 80 days? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
  17. 17.If 30 March is a Thursday, what day of the week is 14 April? (a) Saturday (b) Sunday (c) Friday (d) Thursday
  18. 18.If 6 March is a Tuesday, what day of the week is 19 March? (a) Monday (b) Wednesday (c) Sunday (d) Tuesday
  19. 19.If 30 November is a Thursday, what day of the week is 11 December? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
  20. 20.If 20 August is a Sunday, what day of the week is 11 September? (a) Wednesday (b) Tuesday (c) Monday (d) Sunday
  21. 21.If 12 October is a Sunday, what day of the week is 13 November? (a) Thursday (b) Wednesday (c) Saturday (d) Friday
  22. 22.If 10 December is a Monday, what day of the week is 25 December? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
  23. 23.If 5 August is a Tuesday, what day of the week is 18 August? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
  24. 24.If 22 April is a Tuesday, what day of the week is 6 May? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
  25. 25.If 27 June is a Sunday, what day of the week is 16 July? (a) Thursday (b) Sunday (c) Saturday (d) Friday
  26. 26.If 13 January is a Thursday, what day of the week is 27 January? (a) Saturday (b) Wednesday (c) Friday (d) Thursday
  27. 27.If 31 January is a Tuesday, what day of the week is 8 February? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
  28. 28.If 23 August is a Friday, what day of the week is 4 September? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
  29. 29.If 16 September is a Thursday, what day of the week is 14 October? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
  30. 30.If 4 March is a Monday, what day of the week is 13 March? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
  31. 31.Today is Thursday. What day of the week will it be after 98 days? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
  32. 32.If 6 July is a Thursday, what day of the week is 19 July? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
  33. 33.Today is Thursday. What day of the week will it be after 58 days? (a) Saturday (b) Sunday (c) Friday (d) Monday
  34. 34.If 1 October is a Tuesday, what day of the week is 15 October? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
  35. 35.Today is Wednesday. What day of the week will it be after 95 days? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
  36. 36.If 11 January is a Tuesday, what day of the week is 25 January? (a) Tuesday (b) Monday (c) Wednesday (d) Thursday
  37. 37.If 27 June is a Wednesday, what day of the week is 5 July? (a) Wednesday (b) Thursday (c) Friday (d) Saturday
  38. 38.Today is Thursday. What day of the week will it be after 60 days? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
  39. 39.If 15 December is a Saturday, what day of the week is 24 December? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
  40. 40.If 5 December is a Thursday, what day of the week is 19 December? (a) Wednesday (b) Thursday (c) Friday (d) Saturday

Answer key

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

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