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Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 833 · 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 11 August is a Monday, what day of the week is 11 September? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
  2. 2.If 24 January is a Monday, what day of the week is 13 February? (a) Tuesday (b) Monday (c) Sunday (d) Saturday
  3. 3.Today is Friday. What day of the week will it be after 73 days? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
  4. 4.If 26 April is a Thursday, what day of the week is 10 May? (a) Thursday (b) Wednesday (c) Friday (d) Saturday
  5. 5.If 9 August is a Tuesday, what day of the week is 21 August? (a) Sunday (b) Saturday (c) Tuesday (d) Monday
  6. 6.Today is Thursday. What day of the week will it be after 35 days? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
  7. 7.Today is Wednesday. What day of the week will it be after 10 days? (a) Sunday (b) Saturday (c) Monday (d) Friday
  8. 8.Today is Friday. What day of the week will it be after 35 days? (a) Thursday (b) Friday (c) Saturday (d) Sunday
  9. 9.If 9 March is a Thursday, what day of the week is 19 March? (a) Sunday (b) Tuesday (c) Saturday (d) Monday
  10. 10.If 4 July is a Tuesday, what day of the week is 12 July? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
  11. 11.If 12 November is a Thursday, what day of the week is 2 December? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
  12. 12.If 10 October is a Monday, what day of the week is 3 November? (a) Thursday (b) Saturday (c) Wednesday (d) Friday
  13. 13.Today is Sunday. What day of the week will it be after 68 days? (a) Saturday (b) Sunday (c) Friday (d) Thursday
  14. 14.If 29 November is a Monday, what day of the week is 11 December? (a) Friday (b) Sunday (c) Monday (d) Saturday
  15. 15.If 10 August is a Saturday, what day of the week is 16 September? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
  16. 16.If 14 July is a Thursday, what day of the week is 13 August? (a) Monday (b) Saturday (c) Friday (d) Sunday
  17. 17.Today is Saturday. What day of the week will it be after 85 days? (a) Sunday (b) Saturday (c) Monday (d) Tuesday
  18. 18.If 8 March is a Thursday, what day of the week is 22 March? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
  19. 19.If 2 July is a Friday, what day of the week is 11 July? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
  20. 20.If 13 December is a Wednesday, what day of the week is 23 December? (a) Sunday (b) Saturday (c) Monday (d) Friday
  21. 21.If 6 January is a Saturday, what day of the week is 20 January? (a) Monday (b) Friday (c) Sunday (d) Saturday
  22. 22.If 27 September is a Tuesday, what day of the week is 1 October? (a) Friday (b) Saturday (c) Monday (d) Sunday
  23. 23.If 13 October is a Friday, what day of the week is 26 October? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
  24. 24.Today is Tuesday. What day of the week will it be after 53 days? (a) Saturday (b) Sunday (c) Monday (d) Friday
  25. 25.If 8 October is a Monday, what day of the week is 21 October? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
  26. 26.If 10 May is a Monday, what day of the week is 23 May? (a) Monday (b) Sunday (c) Saturday (d) Tuesday
  27. 27.If 12 January is a Thursday, what day of the week is 4 February? (a) Saturday (b) Friday (c) Monday (d) Sunday
  28. 28.Today is Tuesday. What day of the week will it be after 87 days? (a) Saturday (b) Friday (c) Sunday (d) Thursday
  29. 29.If 22 July is a Saturday, what day of the week is 17 August? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
  30. 30.If 5 July is a Saturday, what day of the week is 15 July? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
  31. 31.If 26 April is a Monday, what day of the week is 9 May? (a) Tuesday (b) Sunday (c) Monday (d) Saturday
  32. 32.If 5 December is a Wednesday, what day of the week is 13 December? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
  33. 33.If 3 December is a Monday, what day of the week is 18 December? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
  34. 34.If 27 August is a Saturday, what day of the week is 2 September? (a) Saturday (b) Sunday (c) Thursday (d) Friday
  35. 35.Today is Friday. What day of the week will it be after 67 days? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
  36. 36.Today is Friday. What day of the week will it be after 11 days? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
  37. 37.If 19 March is a Tuesday, what day of the week is 13 April? (a) Saturday (b) Friday (c) Monday (d) Sunday
  38. 38.If 6 December is a Friday, what day of the week is 17 December? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
  39. 39.Today is Saturday. What day of the week will it be after 49 days? (a) Sunday (b) Monday (c) Saturday (d) Friday
  40. 40.If 13 May is a Tuesday, what day of the week is 18 June? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday

Answer key

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

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