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Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 297 · 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 14 days? (a) Friday (b) Saturday (c) Monday (d) Sunday
  2. 2.If 4 January is a Tuesday, what day of the week is 20 January? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
  3. 3.If 26 May is a Saturday, what day of the week is 7 June? (a) Wednesday (b) Thursday (c) Friday (d) Saturday
  4. 4.If 14 January is a Monday, what day of the week is 25 January? (a) Sunday (b) Thursday (c) Saturday (d) Friday
  5. 5.Today is Monday. What day of the week will it be after 26 days? (a) Monday (b) Friday (c) Saturday (d) Sunday
  6. 6.If 24 March is a Tuesday, what day of the week is 12 April? (a) Monday (b) Sunday (c) Saturday (d) Tuesday
  7. 7.Today is Sunday. What day of the week will it be after 55 days? (a) Monday (b) Friday (c) Sunday (d) Saturday
  8. 8.If 8 January is a Monday, what day of the week is 23 January? (a) Tuesday (b) Wednesday (c) Thursday (d) Monday
  9. 9.Today is Monday. What day of the week will it be after 29 days? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
  10. 10.If 13 May is a Sunday, what day of the week is 24 May? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
  11. 11.Today is Tuesday. What day of the week will it be after 45 days? (a) Friday (b) Thursday (c) Sunday (d) Saturday
  12. 12.Today is Saturday. What day of the week will it be after 95 days? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
  13. 13.If 24 January is a Tuesday, what day of the week is 1 February? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
  14. 14.If 2 March is a Tuesday, what day of the week is 12 March? (a) Sunday (b) Friday (c) Thursday (d) Saturday
  15. 15.Today is Sunday. What day of the week will it be after 29 days? (a) Monday (b) Wednesday (c) Sunday (d) Tuesday
  16. 16.If 4 January is a Monday, what day of the week is 17 January? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
  17. 17.If 3 January is a Sunday, what day of the week is 12 January? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
  18. 18.If 15 October is a Monday, what day of the week is 29 October? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
  19. 19.If 13 March is a Tuesday, what day of the week is 8 April? (a) Sunday (b) Saturday (c) Monday (d) Tuesday
  20. 20.If 13 March is a Friday, what day of the week is 1 April? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
  21. 21.Today is Sunday. What day of the week will it be after 27 days? (a) Friday (b) Monday (c) Sunday (d) Saturday
  22. 22.Today is Wednesday. What day of the week will it be after 98 days? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
  23. 23.Today is Friday. What day of the week will it be after 60 days? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
  24. 24.If 15 March is a Thursday, what day of the week is 28 March? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
  25. 25.If 3 August is a Sunday, what day of the week is 11 August? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
  26. 26.If 17 April is a Thursday, what day of the week is 9 May? (a) Saturday (b) Friday (c) Sunday (d) Thursday
  27. 27.Today is Friday. What day of the week will it be after 20 days? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
  28. 28.If 6 July is a Wednesday, what day of the week is 18 July? (a) Monday (b) Wednesday (c) Sunday (d) Tuesday
  29. 29.Today is Friday. What day of the week will it be after 19 days? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
  30. 30.If 2 October is a Thursday, what day of the week is 12 October? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
  31. 31.If 11 January is a Wednesday, what day of the week is 20 January? (a) Sunday (b) Friday (c) Saturday (d) Thursday
  32. 32.Today is Saturday. What day of the week will it be after 43 days? (a) Tuesday (b) Sunday (c) Saturday (d) Monday
  33. 33.If 8 December is a Sunday, what day of the week is 21 December? (a) Friday (b) Monday (c) Sunday (d) Saturday
  34. 34.Today is Wednesday. What day of the week will it be after 91 days? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
  35. 35.If 11 December is a Monday, what day of the week is 21 December? (a) Friday (b) Thursday (c) Wednesday (d) Saturday
  36. 36.If 23 January is a Tuesday, what day of the week is 9 February? (a) Thursday (b) Saturday (c) Friday (d) Sunday
  37. 37.If 13 September is a Saturday, what day of the week is 2 October? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
  38. 38.If 23 March is a Sunday, what day of the week is 1 April? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday
  39. 39.Today is Saturday. What day of the week will it be after 51 days? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
  40. 40.Today is Wednesday. What day of the week will it be after 14 days? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday

Answer key

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

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