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Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 931 · 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.If 22 July is a Tuesday, what day of the week is 15 August? (a) Friday (b) Sunday (c) Saturday (d) Thursday
  2. 2.If 14 November is a Saturday, what day of the week is 8 December? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
  3. 3.If 15 April is a Tuesday, what day of the week is 12 May? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
  4. 4.If 12 June is a Tuesday, what day of the week is 1 July? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
  5. 5.If 1 January is a Sunday, what day of the week is 9 January? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
  6. 6.If 5 December is a Friday, what day of the week is 19 December? (a) Friday (b) Sunday (c) Thursday (d) Saturday
  7. 7.If 28 October is a Friday, what day of the week is 4 November? (a) Saturday (b) Thursday (c) Friday (d) Sunday
  8. 8.If 7 March is a Wednesday, what day of the week is 20 March? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
  9. 9.Today is Saturday. What day of the week will it be after 67 days? (a) Wednesday (b) Thursday (c) Tuesday (d) Friday
  10. 10.If 8 May is a Monday, what day of the week is 21 May? (a) Tuesday (b) Sunday (c) Monday (d) Saturday
  11. 11.Today is Saturday. What day of the week will it be after 53 days? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
  12. 12.If 24 May is a Wednesday, what day of the week is 12 June? (a) Monday (b) Wednesday (c) Sunday (d) Tuesday
  13. 13.If 8 August is a Wednesday, what day of the week is 20 August? (a) Monday (b) Sunday (c) Wednesday (d) Tuesday
  14. 14.If 11 January is a Tuesday, what day of the week is 23 January? (a) Sunday (b) Tuesday (c) Saturday (d) Monday
  15. 15.Today is Sunday. What day of the week will it be after 89 days? (a) Sunday (b) Thursday (c) Friday (d) Saturday
  16. 16.If 5 August is a Friday, what day of the week is 21 August? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
  17. 17.Today is Monday. What day of the week will it be after 62 days? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
  18. 18.Today is Monday. What day of the week will it be after 51 days? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
  19. 19.If 15 March is a Thursday, what day of the week is 11 April? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
  20. 20.If 21 January is a Saturday, what day of the week is 2 February? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
  21. 21.Today is Tuesday. What day of the week will it be after 45 days? (a) Saturday (b) Sunday (c) Thursday (d) Friday
  22. 22.If 5 October is a Thursday, what day of the week is 17 October? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
  23. 23.If 14 July is a Thursday, what day of the week is 26 July? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
  24. 24.Today is Tuesday. What day of the week will it be after 76 days? (a) Monday (b) Sunday (c) Tuesday (d) Wednesday
  25. 25.If 11 June is a Wednesday, what day of the week is 14 July? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
  26. 26.If 6 March is a Sunday, what day of the week is 17 March? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
  27. 27.If 4 March is a Monday, what day of the week is 19 March? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
  28. 28.If 7 May is a Saturday, what day of the week is 19 May? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
  29. 29.If 12 May is a Wednesday, what day of the week is 27 May? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
  30. 30.If 9 March is a Sunday, what day of the week is 25 March? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
  31. 31.If 19 April is a Friday, what day of the week is 2 May? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
  32. 32.Today is Sunday. What day of the week will it be after 34 days? (a) Sunday (b) Friday (c) Saturday (d) Monday
  33. 33.Today is Monday. What day of the week will it be after 12 days? (a) Saturday (b) Monday (c) Friday (d) Sunday
  34. 34.Today is Thursday. What day of the week will it be after 23 days? (a) Sunday (b) Monday (c) Friday (d) Saturday
  35. 35.If 8 August is a Wednesday, what day of the week is 16 August? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
  36. 36.Today is Tuesday. What day of the week will it be after 12 days? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
  37. 37.If 17 April is a Saturday, what day of the week is 8 May? (a) Saturday (b) Friday (c) Monday (d) Sunday
  38. 38.If 29 January is a Wednesday, what day of the week is 14 February? (a) Sunday (b) Saturday (c) Friday (d) Thursday
  39. 39.If 14 September is a Saturday, what day of the week is 4 October? (a) Friday (b) Thursday (c) Sunday (d) Saturday
  40. 40.If 14 December is a Monday, what day of the week is 22 December? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday

Answer key

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

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