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Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 119 · 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 13 November is a Monday, what day of the week is 4 December? (a) Monday (b) Sunday (c) Wednesday (d) Tuesday
  2. 2.If 24 April is a Sunday, what day of the week is 5 May? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
  3. 3.If 15 January is a Monday, what day of the week is 25 January? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
  4. 4.Today is Monday. What day of the week will it be after 96 days? (a) Friday (b) Monday (c) Sunday (d) Saturday
  5. 5.If 28 November is a Sunday, what day of the week is 6 December? (a) Wednesday (b) Monday (c) Sunday (d) Tuesday
  6. 6.Today is Sunday. What day of the week will it be after 14 days? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
  7. 7.If 16 January is a Monday, what day of the week is 19 February? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
  8. 8.If 3 August is a Monday, what day of the week is 11 August? (a) Tuesday (b) Monday (c) Wednesday (d) Thursday
  9. 9.If 12 May is a Tuesday, what day of the week is 15 June? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
  10. 10.Today is Friday. What day of the week will it be after 100 days? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
  11. 11.Today is Sunday. What day of the week will it be after 15 days? (a) Monday (b) Wednesday (c) Tuesday (d) Sunday
  12. 12.Today is Saturday. What day of the week will it be after 16 days? (a) Monday (b) Sunday (c) Tuesday (d) Wednesday
  13. 13.If 8 January is a Wednesday, what day of the week is 19 January? (a) Tuesday (b) Sunday (c) Saturday (d) Monday
  14. 14.If 25 November is a Tuesday, what day of the week is 16 December? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
  15. 15.Today is Monday. What day of the week will it be after 29 days? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
  16. 16.If 22 August is a Saturday, what day of the week is 2 September? (a) Wednesday (b) Tuesday (c) Thursday (d) Friday
  17. 17.Today is Saturday. What day of the week will it be after 40 days? (a) Saturday (b) Wednesday (c) Friday (d) Thursday
  18. 18.If 22 June is a Saturday, what day of the week is 9 July? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
  19. 19.If 9 January is a Wednesday, what day of the week is 22 January? (a) Wednesday (b) Tuesday (c) Thursday (d) Monday
  20. 20.If 11 July is a Thursday, what day of the week is 24 July? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
  21. 21.If 2 May is a Thursday, what day of the week is 12 May? (a) Sunday (b) Monday (c) Tuesday (d) Saturday
  22. 22.Today is Wednesday. What day of the week will it be after 61 days? (a) Tuesday (b) Wednesday (c) Sunday (d) Monday
  23. 23.If 2 August is a Sunday, what day of the week is 14 August? (a) Thursday (b) Friday (c) Saturday (d) Sunday
  24. 24.If 9 December is a Friday, what day of the week is 21 December? (a) Tuesday (b) Thursday (c) Wednesday (d) Friday
  25. 25.If 12 March is a Saturday, what day of the week is 24 March? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
  26. 26.Today is Friday. What day of the week will it be after 99 days? (a) Saturday (b) Friday (c) Monday (d) Sunday
  27. 27.If 2 March is a Sunday, what day of the week is 10 March? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
  28. 28.If 23 October is a Wednesday, what day of the week is 4 November? (a) Monday (b) Wednesday (c) Tuesday (d) Sunday
  29. 29.If 10 December is a Sunday, what day of the week is 24 December? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
  30. 30.If 20 November is a Monday, what day of the week is 4 December? (a) Wednesday (b) Tuesday (c) Sunday (d) Monday
  31. 31.If 5 July is a Tuesday, what day of the week is 20 July? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
  32. 32.If 7 August is a Tuesday, what day of the week is 18 August? (a) Sunday (b) Friday (c) Monday (d) Saturday
  33. 33.Today is Tuesday. What day of the week will it be after 68 days? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
  34. 34.If 10 March is a Friday, what day of the week is 18 March? (a) Friday (b) Monday (c) Saturday (d) Sunday
  35. 35.If 10 May is a Wednesday, what day of the week is 6 June? (a) Tuesday (b) Monday (c) Wednesday (d) Thursday
  36. 36.If 25 October is a Wednesday, what day of the week is 10 November? (a) Saturday (b) Thursday (c) Sunday (d) Friday
  37. 37.If 29 October is a Monday, what day of the week is 5 November? (a) Monday (b) Sunday (c) Tuesday (d) Wednesday
  38. 38.Today is Sunday. What day of the week will it be after 100 days? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
  39. 39.If 11 August is a Monday, what day of the week is 4 September? (a) Wednesday (b) Thursday (c) Friday (d) Saturday
  40. 40.Today is Friday. What day of the week will it be after 25 days? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday

Answer key

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

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