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Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 203 · 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 7 May is a Friday, what day of the week is 23 May? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
  2. 2.Today is Monday. What day of the week will it be after 82 days? (a) Monday (b) Saturday (c) Sunday (d) Friday
  3. 3.Today is Tuesday. What day of the week will it be after 43 days? (a) Tuesday (b) Thursday (c) Wednesday (d) Friday
  4. 4.Today is Friday. What day of the week will it be after 69 days? (a) Wednesday (b) Thursday (c) Saturday (d) Friday
  5. 5.If 2 July is a Thursday, what day of the week is 12 July? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
  6. 6.If 6 December is a Friday, what day of the week is 15 December? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
  7. 7.Today is Monday. What day of the week will it be after 76 days? (a) Tuesday (b) Sunday (c) Monday (d) Saturday
  8. 8.Today is Thursday. What day of the week will it be after 30 days? (a) Monday (b) Sunday (c) Friday (d) Saturday
  9. 9.Today is Thursday. What day of the week will it be after 14 days? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
  10. 10.If 14 January is a Friday, what day of the week is 10 February? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
  11. 11.If 18 July is a Wednesday, what day of the week is 19 August? (a) Sunday (b) Monday (c) Saturday (d) Tuesday
  12. 12.If 11 July is a Thursday, what day of the week is 5 August? (a) Wednesday (b) Monday (c) Tuesday (d) Sunday
  13. 13.If 4 January is a Friday, what day of the week is 13 January? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
  14. 14.If 8 May is a Wednesday, what day of the week is 24 May? (a) Thursday (b) Friday (c) Sunday (d) Saturday
  15. 15.Today is Friday. What day of the week will it be after 36 days? (a) Friday (b) Monday (c) Saturday (d) Sunday
  16. 16.If 1 May is a Thursday, what day of the week is 17 May? (a) Friday (b) Monday (c) Saturday (d) Sunday
  17. 17.If 4 January is a Thursday, what day of the week is 12 January? (a) Thursday (b) Friday (c) Sunday (d) Saturday
  18. 18.If 2 October is a Friday, what day of the week is 14 October? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
  19. 19.Today is Monday. What day of the week will it be after 94 days? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
  20. 20.Today is Thursday. What day of the week will it be after 92 days? (a) Thursday (b) Friday (c) Sunday (d) Saturday
  21. 21.If 13 August is a Sunday, what day of the week is 24 August? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
  22. 22.Today is Tuesday. What day of the week will it be after 42 days? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
  23. 23.If 2 January is a Friday, what day of the week is 12 January? (a) Wednesday (b) Tuesday (c) Sunday (d) Monday
  24. 24.Today is Monday. What day of the week will it be after 56 days? (a) Wednesday (b) Monday (c) Sunday (d) Tuesday
  25. 25.If 27 May is a Sunday, what day of the week is 13 June? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
  26. 26.If 13 November is a Friday, what day of the week is 12 December? (a) Sunday (b) Friday (c) Saturday (d) Monday
  27. 27.If 4 October is a Monday, what day of the week is 12 October? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
  28. 28.If 17 July is a Monday, what day of the week is 20 August? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
  29. 29.If 11 July is a Tuesday, what day of the week is 10 August? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
  30. 30.If 17 November is a Thursday, what day of the week is 5 December? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
  31. 31.Today is Saturday. What day of the week will it be after 24 days? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday
  32. 32.If 8 December is a Sunday, what day of the week is 17 December? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday
  33. 33.If 9 January is a Monday, what day of the week is 23 January? (a) Monday (b) Wednesday (c) Sunday (d) Tuesday
  34. 34.If 15 October is a Monday, what day of the week is 8 November? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
  35. 35.If 10 January is a Wednesday, what day of the week is 21 January? (a) Sunday (b) Tuesday (c) Monday (d) Saturday
  36. 36.Today is Wednesday. What day of the week will it be after 12 days? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
  37. 37.If 31 May is a Thursday, what day of the week is 12 June? (a) Tuesday (b) Thursday (c) Wednesday (d) Monday
  38. 38.If 4 December is a Wednesday, what day of the week is 20 December? (a) Saturday (b) Friday (c) Thursday (d) Sunday
  39. 39.Today is Tuesday. What day of the week will it be after 65 days? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
  40. 40.Today is Saturday. What day of the week will it be after 40 days? (a) Thursday (b) Wednesday (c) Saturday (d) Friday

Answer key

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

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