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Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 18 · 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 9 August is a Tuesday, what day of the week is 17 August? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
  2. 2.Today is Tuesday. What day of the week will it be after 92 days? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
  3. 3.Today is Tuesday. What day of the week will it be after 27 days? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
  4. 4.Today is Tuesday. What day of the week will it be after 83 days? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
  5. 5.If 19 October is a Saturday, what day of the week is 15 November? (a) Friday (b) Saturday (c) Thursday (d) Sunday
  6. 6.If 15 August is a Tuesday, what day of the week is 14 September? (a) Saturday (b) Wednesday (c) Friday (d) Thursday
  7. 7.Today is Wednesday. What day of the week will it be after 96 days? (a) Wednesday (b) Monday (c) Tuesday (d) Sunday
  8. 8.If 10 January is a Thursday, what day of the week is 22 January? (a) Tuesday (b) Wednesday (c) Thursday (d) Monday
  9. 9.Today is Tuesday. What day of the week will it be after 63 days? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
  10. 10.Today is Sunday. What day of the week will it be after 20 days? (a) Sunday (b) Monday (c) Saturday (d) Friday
  11. 11.If 12 January is a Saturday, what day of the week is 9 February? (a) Monday (b) Sunday (c) Friday (d) Saturday
  12. 12.If 10 April is a Monday, what day of the week is 20 May? (a) Saturday (b) Sunday (c) Monday (d) Friday
  13. 13.Today is Wednesday. What day of the week will it be after 27 days? (a) Tuesday (b) Thursday (c) Wednesday (d) Monday
  14. 14.If 10 May is a Sunday, what day of the week is 14 June? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
  15. 15.If 6 May is a Friday, what day of the week is 19 May? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
  16. 16.Today is Tuesday. What day of the week will it be after 11 days? (a) Monday (b) Friday (c) Sunday (d) Saturday
  17. 17.If 13 July is a Monday, what day of the week is 21 July? (a) Wednesday (b) Tuesday (c) Thursday (d) Monday
  18. 18.If 1 May is a Saturday, what day of the week is 9 May? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
  19. 19.If 8 January is a Tuesday, what day of the week is 22 January? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
  20. 20.If 14 July is a Friday, what day of the week is 2 August? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
  21. 21.Today is Wednesday. What day of the week will it be after 20 days? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
  22. 22.Today is Monday. What day of the week will it be after 96 days? (a) Saturday (b) Friday (c) Monday (d) Sunday
  23. 23.Today is Wednesday. What day of the week will it be after 23 days? (a) Sunday (b) Thursday (c) Friday (d) Saturday
  24. 24.Today is Tuesday. What day of the week will it be after 24 days? (a) Sunday (b) Thursday (c) Saturday (d) Friday
  25. 25.Today is Monday. What day of the week will it be after 11 days? (a) Saturday (b) Sunday (c) Friday (d) Thursday
  26. 26.If 2 May is a Saturday, what day of the week is 10 May? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
  27. 27.If 3 March is a Monday, what day of the week is 11 March? (a) Tuesday (b) Thursday (c) Monday (d) Wednesday
  28. 28.If 24 May is a Thursday, what day of the week is 6 June? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
  29. 29.If 16 November is a Wednesday, what day of the week is 6 December? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
  30. 30.If 10 October is a Wednesday, what day of the week is 18 October? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
  31. 31.Today is Wednesday. What day of the week will it be after 54 days? (a) Monday (b) Sunday (c) Tuesday (d) Wednesday
  32. 32.Today is Monday. What day of the week will it be after 58 days? (a) Wednesday (b) Tuesday (c) Thursday (d) Friday
  33. 33.If 16 October is a Sunday, what day of the week is 9 November? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
  34. 34.Today is Saturday. What day of the week will it be after 62 days? (a) Sunday (b) Thursday (c) Friday (d) Saturday
  35. 35.If 29 March is a Monday, what day of the week is 16 April? (a) Sunday (b) Friday (c) Thursday (d) Saturday
  36. 36.If 26 May is a Friday, what day of the week is 17 June? (a) Friday (b) Saturday (c) Sunday (d) Monday
  37. 37.If 6 October is a Tuesday, what day of the week is 16 October? (a) Sunday (b) Thursday (c) Friday (d) Saturday
  38. 38.If 15 December is a Saturday, what day of the week is 23 December? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
  39. 39.If 6 July is a Saturday, what day of the week is 21 July? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
  40. 40.If 28 June is a Saturday, what day of the week is 2 July? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday

Answer key

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

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