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Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 751 · 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 Wednesday. What day of the week will it be after 92 days? (a) Wednesday (b) Thursday (c) Friday (d) Saturday
  2. 2.If 6 March is a Monday, what day of the week is 18 March? (a) Sunday (b) Friday (c) Saturday (d) Monday
  3. 3.If 31 October is a Sunday, what day of the week is 4 November? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
  4. 4.If 13 March is a Thursday, what day of the week is 25 March? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday
  5. 5.If 29 September is a Sunday, what day of the week is 7 October? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
  6. 6.If 11 March is a Sunday, what day of the week is 25 March? (a) Tuesday (b) Sunday (c) Monday (d) Saturday
  7. 7.If 5 July is a Wednesday, what day of the week is 20 July? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
  8. 8.Today is Tuesday. What day of the week will it be after 98 days? (a) Tuesday (b) Monday (c) Wednesday (d) Thursday
  9. 9.If 26 June is a Thursday, what day of the week is 9 July? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
  10. 10.Today is Wednesday. What day of the week will it be after 67 days? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
  11. 11.If 12 December is a Sunday, what day of the week is 26 December? (a) Sunday (b) Monday (c) Saturday (d) Tuesday
  12. 12.Today is Friday. What day of the week will it be after 60 days? (a) Tuesday (b) Wednesday (c) Monday (d) Thursday
  13. 13.If 14 March is a Wednesday, what day of the week is 30 March? (a) Sunday (b) Thursday (c) Friday (d) Saturday
  14. 14.If 4 August is a Thursday, what day of the week is 20 August? (a) Sunday (b) Friday (c) Saturday (d) Monday
  15. 15.If 25 November is a Monday, what day of the week is 18 December? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
  16. 16.Today is Tuesday. What day of the week will it be after 48 days? (a) Monday (b) Sunday (c) Wednesday (d) Tuesday
  17. 17.If 10 January is a Friday, what day of the week is 8 February? (a) Monday (b) Saturday (c) Sunday (d) Friday
  18. 18.If 12 March is a Sunday, what day of the week is 23 March? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
  19. 19.If 1 August is a Friday, what day of the week is 16 August? (a) Saturday (b) Monday (c) Sunday (d) Friday
  20. 20.Today is Wednesday. What day of the week will it be after 29 days? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
  21. 21.If 10 September is a Thursday, what day of the week is 8 October? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
  22. 22.Today is Sunday. What day of the week will it be after 12 days? (a) Thursday (b) Saturday (c) Sunday (d) Friday
  23. 23.If 2 August is a Sunday, what day of the week is 13 August? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
  24. 24.If 19 July is a Monday, what day of the week is 18 August? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
  25. 25.Today is Sunday. What day of the week will it be after 10 days? (a) Tuesday (b) Thursday (c) Wednesday (d) Friday
  26. 26.If 12 January is a Thursday, what day of the week is 14 February? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
  27. 27.If 26 January is a Saturday, what day of the week is 7 February? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
  28. 28.If 10 August is a Saturday, what day of the week is 24 August? (a) Monday (b) Friday (c) Saturday (d) Sunday
  29. 29.Today is Sunday. What day of the week will it be after 62 days? (a) Sunday (b) Monday (c) Saturday (d) Friday
  30. 30.If 12 March is a Saturday, what day of the week is 22 March? (a) Wednesday (b) Tuesday (c) Thursday (d) Monday
  31. 31.If 26 January is a Sunday, what day of the week is 2 February? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
  32. 32.Today is Monday. What day of the week will it be after 78 days? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
  33. 33.If 15 April is a Monday, what day of the week is 1 May? (a) Wednesday (b) Friday (c) Thursday (d) Tuesday
  34. 34.If 1 March is a Sunday, what day of the week is 9 March? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
  35. 35.Today is Sunday. What day of the week will it be after 82 days? (a) Sunday (b) Thursday (c) Saturday (d) Friday
  36. 36.If 10 January is a Sunday, what day of the week is 18 January? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
  37. 37.Today is Saturday. What day of the week will it be after 33 days? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
  38. 38.If 7 October is a Sunday, what day of the week is 19 October? (a) Friday (b) Thursday (c) Sunday (d) Saturday
  39. 39.If 13 August is a Friday, what day of the week is 21 August? (a) Friday (b) Saturday (c) Sunday (d) Monday
  40. 40.If 10 January is a Monday, what day of the week is 17 February? (a) Wednesday (b) Thursday (c) Saturday (d) Friday

Answer key

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

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