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Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 793 · 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 Saturday. What day of the week will it be after 91 days? (a) Sunday (b) Monday (c) Friday (d) Saturday
  2. 2.If 29 April is a Monday, what day of the week is 7 May? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday
  3. 3.If 13 June is a Sunday, what day of the week is 4 July? (a) Sunday (b) Saturday (c) Tuesday (d) Monday
  4. 4.If 3 March is a Wednesday, what day of the week is 12 March? (a) Thursday (b) Saturday (c) Friday (d) Sunday
  5. 5.Today is Tuesday. What day of the week will it be after 62 days? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
  6. 6.Today is Thursday. What day of the week will it be after 71 days? (a) Thursday (b) Sunday (c) Friday (d) Saturday
  7. 7.If 29 May is a Saturday, what day of the week is 2 June? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
  8. 8.Today is Thursday. What day of the week will it be after 17 days? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
  9. 9.If 2 May is a Saturday, what day of the week is 17 May? (a) Sunday (b) Saturday (c) Tuesday (d) Monday
  10. 10.If 15 March is a Saturday, what day of the week is 23 March? (a) Sunday (b) Monday (c) Tuesday (d) Saturday
  11. 11.If 8 October is a Thursday, what day of the week is 18 October? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
  12. 12.If 14 November is a Friday, what day of the week is 10 December? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
  13. 13.If 4 January is a Friday, what day of the week is 14 January? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
  14. 14.If 21 November is a Monday, what day of the week is 3 December? (a) Saturday (b) Monday (c) Friday (d) Sunday
  15. 15.If 25 January is a Saturday, what day of the week is 8 February? (a) Sunday (b) Saturday (c) Friday (d) Monday
  16. 16.If 9 August is a Friday, what day of the week is 18 August? (a) Sunday (b) Tuesday (c) Monday (d) Saturday
  17. 17.If 2 March is a Sunday, what day of the week is 14 March? (a) Sunday (b) Friday (c) Thursday (d) Saturday
  18. 18.If 8 May is a Sunday, what day of the week is 23 May? (a) Tuesday (b) Monday (c) Sunday (d) Wednesday
  19. 19.If 24 March is a Tuesday, what day of the week is 19 April? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
  20. 20.If 14 May is a Wednesday, what day of the week is 30 May? (a) Thursday (b) Saturday (c) Friday (d) Sunday
  21. 21.If 12 March is a Sunday, what day of the week is 25 March? (a) Sunday (b) Monday (c) Saturday (d) Friday
  22. 22.Today is Thursday. What day of the week will it be after 96 days? (a) Wednesday (b) Tuesday (c) Thursday (d) Monday
  23. 23.Today is Sunday. What day of the week will it be after 77 days? (a) Saturday (b) Sunday (c) Monday (d) Tuesday
  24. 24.If 8 January is a Tuesday, what day of the week is 16 January? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
  25. 25.If 4 August is a Friday, what day of the week is 20 August? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
  26. 26.If 6 October is a Wednesday, what day of the week is 14 October? (a) Thursday (b) Saturday (c) Friday (d) Wednesday
  27. 27.Today is Tuesday. What day of the week will it be after 58 days? (a) Friday (b) Thursday (c) Wednesday (d) Saturday
  28. 28.Today is Monday. What day of the week will it be after 21 days? (a) Monday (b) Tuesday (c) Sunday (d) Wednesday
  29. 29.If 11 May is a Tuesday, what day of the week is 20 May? (a) Thursday (b) Saturday (c) Wednesday (d) Friday
  30. 30.If 11 October is a Monday, what day of the week is 25 October? (a) Monday (b) Wednesday (c) Tuesday (d) Sunday
  31. 31.Today is Saturday. What day of the week will it be after 11 days? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
  32. 32.If 1 May is a Saturday, what day of the week is 11 May? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
  33. 33.If 9 March is a Saturday, what day of the week is 18 March? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
  34. 34.If 21 October is a Sunday, what day of the week is 2 November? (a) Sunday (b) Thursday (c) Friday (d) Saturday
  35. 35.If 10 November is a Wednesday, what day of the week is 6 December? (a) Tuesday (b) Monday (c) Wednesday (d) Sunday
  36. 36.If 7 March is a Tuesday, what day of the week is 17 March? (a) Sunday (b) Thursday (c) Saturday (d) Friday
  37. 37.If 14 October is a Saturday, what day of the week is 29 October? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
  38. 38.If 13 March is a Wednesday, what day of the week is 28 March? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
  39. 39.Today is Wednesday. What day of the week will it be after 56 days? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
  40. 40.If 14 April is a Sunday, what day of the week is 4 May? (a) Monday (b) Sunday (c) Saturday (d) Friday

Answer key

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

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