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Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 286 · 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 Tuesday. What day of the week will it be after 91 days? (a) Tuesday (b) Thursday (c) Monday (d) Wednesday
  2. 2.If 1 March is a Friday, what day of the week is 16 March? (a) Monday (b) Saturday (c) Sunday (d) Friday
  3. 3.If 4 August is a Thursday, what day of the week is 13 August? (a) Sunday (b) Friday (c) Saturday (d) Monday
  4. 4.If 14 May is a Wednesday, what day of the week is 29 May? (a) Friday (b) Thursday (c) Wednesday (d) Saturday
  5. 5.If 10 October is a Thursday, what day of the week is 18 October? (a) Sunday (b) Saturday (c) Thursday (d) Friday
  6. 6.If 3 January is a Wednesday, what day of the week is 19 January? (a) Friday (b) Sunday (c) Saturday (d) Thursday
  7. 7.Today is Wednesday. What day of the week will it be after 33 days? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
  8. 8.If 4 December is a Friday, what day of the week is 16 December? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
  9. 9.If 29 April is a Wednesday, what day of the week is 13 May? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
  10. 10.If 7 October is a Thursday, what day of the week is 21 October? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
  11. 11.Today is Thursday. What day of the week will it be after 19 days? (a) Tuesday (b) Thursday (c) Wednesday (d) Monday
  12. 12.Today is Monday. What day of the week will it be after 22 days? (a) Tuesday (b) Monday (c) Wednesday (d) Thursday
  13. 13.If 12 July is a Saturday, what day of the week is 25 July? (a) Sunday (b) Friday (c) Saturday (d) Thursday
  14. 14.If 3 October is a Sunday, what day of the week is 19 October? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
  15. 15.Today is Thursday. What day of the week will it be after 16 days? (a) Friday (b) Saturday (c) Sunday (d) Monday
  16. 16.If 19 March is a Friday, what day of the week is 20 April? (a) Tuesday (b) Thursday (c) Wednesday (d) Monday
  17. 17.If 2 January is a Saturday, what day of the week is 14 January? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
  18. 18.If 4 August is a Friday, what day of the week is 16 August? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
  19. 19.If 15 October is a Monday, what day of the week is 5 November? (a) Monday (b) Wednesday (c) Sunday (d) Tuesday
  20. 20.If 28 August is a Saturday, what day of the week is 16 September? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
  21. 21.If 14 December is a Wednesday, what day of the week is 30 December? (a) Saturday (b) Friday (c) Sunday (d) Thursday
  22. 22.If 3 January is a Monday, what day of the week is 11 January? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
  23. 23.If 9 October is a Monday, what day of the week is 18 October? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
  24. 24.Today is Tuesday. What day of the week will it be after 58 days? (a) Thursday (b) Saturday (c) Wednesday (d) Friday
  25. 25.If 22 September is a Monday, what day of the week is 14 October? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
  26. 26.If 3 October is a Wednesday, what day of the week is 11 October? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
  27. 27.Today is Monday. What day of the week will it be after 58 days? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
  28. 28.Today is Saturday. What day of the week will it be after 43 days? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
  29. 29.If 3 December is a Tuesday, what day of the week is 12 December? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
  30. 30.If 18 June is a Sunday, what day of the week is 7 July? (a) Sunday (b) Thursday (c) Friday (d) Saturday
  31. 31.If 14 January is a Saturday, what day of the week is 30 January? (a) Monday (b) Tuesday (c) Sunday (d) Wednesday
  32. 32.If 12 December is a Monday, what day of the week is 23 December? (a) Friday (b) Thursday (c) Sunday (d) Saturday
  33. 33.Today is Wednesday. What day of the week will it be after 32 days? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
  34. 34.Today is Friday. What day of the week will it be after 59 days? (a) Monday (b) Sunday (c) Wednesday (d) Tuesday
  35. 35.If 15 August is a Thursday, what day of the week is 25 August? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
  36. 36.Today is Saturday. What day of the week will it be after 90 days? (a) Friday (b) Sunday (c) Saturday (d) Thursday
  37. 37.Today is Thursday. What day of the week will it be after 34 days? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
  38. 38.If 1 March is a Saturday, what day of the week is 15 March? (a) Monday (b) Sunday (c) Friday (d) Saturday
  39. 39.Today is Monday. What day of the week will it be after 14 days? (a) Wednesday (b) Tuesday (c) Sunday (d) Monday
  40. 40.If 4 August is a Tuesday, what day of the week is 15 August? (a) Sunday (b) Monday (c) Saturday (d) Friday

Answer key

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

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