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Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 536 · 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 21 July is a Monday, what day of the week is 5 August? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday
  2. 2.If 15 May is a Wednesday, what day of the week is 9 June? (a) Tuesday (b) Sunday (c) Saturday (d) Monday
  3. 3.If 5 October is a Friday, what day of the week is 16 October? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
  4. 4.If 24 June is a Saturday, what day of the week is 14 July? (a) Thursday (b) Saturday (c) Sunday (d) Friday
  5. 5.If 27 May is a Thursday, what day of the week is 2 June? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
  6. 6.Today is Tuesday. What day of the week will it be after 45 days? (a) Friday (b) Sunday (c) Saturday (d) Thursday
  7. 7.Today is Saturday. What day of the week will it be after 30 days? (a) Tuesday (b) Monday (c) Sunday (d) Wednesday
  8. 8.If 15 January is a Wednesday, what day of the week is 23 January? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
  9. 9.If 1 January is a Tuesday, what day of the week is 11 January? (a) Thursday (b) Sunday (c) Saturday (d) Friday
  10. 10.If 3 January is a Monday, what day of the week is 16 January? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
  11. 11.If 7 March is a Saturday, what day of the week is 15 March? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
  12. 12.Today is Sunday. What day of the week will it be after 79 days? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
  13. 13.Today is Monday. What day of the week will it be after 91 days? (a) Monday (b) Tuesday (c) Sunday (d) Wednesday
  14. 14.If 8 July is a Wednesday, what day of the week is 16 July? (a) Friday (b) Thursday (c) Wednesday (d) Saturday
  15. 15.If 5 October is a Tuesday, what day of the week is 20 October? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
  16. 16.If 5 July is a Sunday, what day of the week is 17 July? (a) Thursday (b) Saturday (c) Friday (d) Sunday
  17. 17.If 14 August is a Wednesday, what day of the week is 20 September? (a) Thursday (b) Sunday (c) Saturday (d) Friday
  18. 18.If 18 January is a Friday, what day of the week is 16 February? (a) Friday (b) Monday (c) Sunday (d) Saturday
  19. 19.If 2 July is a Saturday, what day of the week is 11 July? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
  20. 20.Today is Wednesday. What day of the week will it be after 33 days? (a) Monday (b) Wednesday (c) Sunday (d) Tuesday
  21. 21.If 21 July is a Saturday, what day of the week is 1 August? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
  22. 22.If 10 September is a Tuesday, what day of the week is 8 October? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
  23. 23.Today is Sunday. What day of the week will it be after 39 days? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
  24. 24.Today is Tuesday. What day of the week will it be after 21 days? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
  25. 25.If 14 May is a Wednesday, what day of the week is 27 May? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
  26. 26.Today is Tuesday. What day of the week will it be after 69 days? (a) Monday (b) Sunday (c) Tuesday (d) Wednesday
  27. 27.Today is Saturday. What day of the week will it be after 45 days? (a) Tuesday (b) Wednesday (c) Thursday (d) Monday
  28. 28.If 2 July is a Friday, what day of the week is 14 July? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
  29. 29.Today is Thursday. What day of the week will it be after 93 days? (a) Sunday (b) Monday (c) Friday (d) Saturday
  30. 30.Today is Monday. What day of the week will it be after 78 days? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
  31. 31.If 25 July is a Sunday, what day of the week is 11 August? (a) Wednesday (b) Friday (c) Thursday (d) Tuesday
  32. 32.If 24 March is a Saturday, what day of the week is 14 April? (a) Friday (b) Monday (c) Saturday (d) Sunday
  33. 33.Today is Wednesday. What day of the week will it be after 30 days? (a) Friday (b) Sunday (c) Thursday (d) Saturday
  34. 34.If 13 September is a Saturday, what day of the week is 16 October? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
  35. 35.If 10 November is a Wednesday, what day of the week is 9 December? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
  36. 36.Today is Wednesday. What day of the week will it be after 61 days? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
  37. 37.If 11 August is a Thursday, what day of the week is 19 August? (a) Thursday (b) Sunday (c) Saturday (d) Friday
  38. 38.If 4 October is a Friday, what day of the week is 14 October? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
  39. 39.If 9 July is a Friday, what day of the week is 25 July? (a) Tuesday (b) Monday (c) Sunday (d) Saturday
  40. 40.Today is Tuesday. What day of the week will it be after 80 days? (a) Thursday (b) Saturday (c) Sunday (d) Friday

Answer key

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

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