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Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 357 · 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 4 January is a Saturday, what day of the week is 16 January? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
  2. 2.If 13 October is a Monday, what day of the week is 2 November? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
  3. 3.If 17 May is a Sunday, what day of the week is 16 June? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
  4. 4.Today is Sunday. What day of the week will it be after 30 days? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
  5. 5.If 8 October is a Saturday, what day of the week is 23 October? (a) Sunday (b) Monday (c) Saturday (d) Tuesday
  6. 6.Today is Thursday. What day of the week will it be after 34 days? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
  7. 7.Today is Wednesday. What day of the week will it be after 48 days? (a) Tuesday (b) Thursday (c) Wednesday (d) Monday
  8. 8.If 11 August is a Tuesday, what day of the week is 23 August? (a) Sunday (b) Saturday (c) Monday (d) Tuesday
  9. 9.Today is Wednesday. What day of the week will it be after 58 days? (a) Friday (b) Thursday (c) Saturday (d) Sunday
  10. 10.If 7 March is a Tuesday, what day of the week is 21 March? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
  11. 11.If 1 October is a Friday, what day of the week is 11 October? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
  12. 12.Today is Friday. What day of the week will it be after 22 days? (a) Friday (b) Monday (c) Saturday (d) Sunday
  13. 13.Today is Thursday. What day of the week will it be after 94 days? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
  14. 14.Today is Monday. What day of the week will it be after 12 days? (a) Sunday (b) Monday (c) Friday (d) Saturday
  15. 15.If 11 July is a Friday, what day of the week is 17 August? (a) Tuesday (b) Monday (c) Sunday (d) Saturday
  16. 16.If 14 December is a Wednesday, what day of the week is 26 December? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
  17. 17.If 17 November is a Monday, what day of the week is 7 December? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
  18. 18.If 3 August is a Wednesday, what day of the week is 14 August? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
  19. 19.If 8 August is a Monday, what day of the week is 20 August? (a) Friday (b) Saturday (c) Sunday (d) Monday
  20. 20.Today is Friday. What day of the week will it be after 97 days? (a) Thursday (b) Saturday (c) Wednesday (d) Friday
  21. 21.Today is Thursday. What day of the week will it be after 98 days? (a) Thursday (b) Friday (c) Saturday (d) Wednesday
  22. 22.If 10 May is a Monday, what day of the week is 1 June? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
  23. 23.If 9 May is a Wednesday, what day of the week is 24 May? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
  24. 24.If 17 March is a Friday, what day of the week is 8 April? (a) Sunday (b) Saturday (c) Friday (d) Monday
  25. 25.Today is Tuesday. What day of the week will it be after 91 days? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
  26. 26.If 14 August is a Monday, what day of the week is 22 August? (a) Tuesday (b) Thursday (c) Monday (d) Wednesday
  27. 27.Today is Friday. What day of the week will it be after 23 days? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
  28. 28.If 1 October is a Thursday, what day of the week is 17 October? (a) Monday (b) Saturday (c) Sunday (d) Friday
  29. 29.If 14 June is a Wednesday, what day of the week is 6 July? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
  30. 30.Today is Tuesday. What day of the week will it be after 67 days? (a) Monday (b) Friday (c) Saturday (d) Sunday
  31. 31.If 5 August is a Wednesday, what day of the week is 16 August? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
  32. 32.If 16 May is a Saturday, what day of the week is 2 June? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
  33. 33.If 17 May is a Tuesday, what day of the week is 7 June? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
  34. 34.If 5 July is a Tuesday, what day of the week is 13 July? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
  35. 35.Today is Wednesday. What day of the week will it be after 91 days? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
  36. 36.Today is Thursday. What day of the week will it be after 74 days? (a) Tuesday (b) Wednesday (c) Sunday (d) Monday
  37. 37.If 25 May is a Sunday, what day of the week is 1 June? (a) Saturday (b) Sunday (c) Monday (d) Tuesday
  38. 38.If 30 January is a Tuesday, what day of the week is 4 February? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
  39. 39.Today is Thursday. What day of the week will it be after 30 days? (a) Friday (b) Monday (c) Saturday (d) Sunday
  40. 40.Today is Friday. What day of the week will it be after 75 days? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday

Answer key

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

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