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Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 546 · 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 6 July is a Sunday, what day of the week is 17 July? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
  2. 2.If 25 March is a Friday, what day of the week is 2 April? (a) Friday (b) Monday (c) Sunday (d) Saturday
  3. 3.If 10 January is a Monday, what day of the week is 24 January? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
  4. 4.If 26 September is a Sunday, what day of the week is 13 October? (a) Wednesday (b) Thursday (c) Tuesday (d) Friday
  5. 5.If 10 December is a Friday, what day of the week is 22 December? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
  6. 6.Today is Friday. What day of the week will it be after 23 days? (a) Monday (b) Sunday (c) Tuesday (d) Saturday
  7. 7.If 25 September is a Saturday, what day of the week is 16 October? (a) Saturday (b) Monday (c) Friday (d) Sunday
  8. 8.Today is Friday. What day of the week will it be after 14 days? (a) Friday (b) Thursday (c) Sunday (d) Saturday
  9. 9.If 24 August is a Friday, what day of the week is 19 September? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
  10. 10.If 3 July is a Wednesday, what day of the week is 12 July? (a) Saturday (b) Sunday (c) Friday (d) Thursday
  11. 11.If 8 March is a Tuesday, what day of the week is 22 March? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
  12. 12.If 18 October is a Friday, what day of the week is 18 November? (a) Tuesday (b) Wednesday (c) Sunday (d) Monday
  13. 13.Today is Sunday. What day of the week will it be after 74 days? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
  14. 14.Today is Friday. What day of the week will it be after 27 days? (a) Wednesday (b) Thursday (c) Saturday (d) Friday
  15. 15.Today is Monday. What day of the week will it be after 22 days? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
  16. 16.If 28 April is a Monday, what day of the week is 14 May? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
  17. 17.Today is Saturday. What day of the week will it be after 76 days? (a) Saturday (b) Sunday (c) Thursday (d) Friday
  18. 18.If 4 December is a Tuesday, what day of the week is 20 December? (a) Friday (b) Thursday (c) Wednesday (d) Saturday
  19. 19.Today is Tuesday. What day of the week will it be after 56 days? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
  20. 20.If 8 July is a Tuesday, what day of the week is 16 July? (a) Wednesday (b) Thursday (c) Tuesday (d) Friday
  21. 21.If 8 December is a Tuesday, what day of the week is 23 December? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
  22. 22.If 10 August is a Wednesday, what day of the week is 20 August? (a) Friday (b) Monday (c) Saturday (d) Sunday
  23. 23.If 2 January is a Sunday, what day of the week is 18 January? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
  24. 24.Today is Friday. What day of the week will it be after 32 days? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
  25. 25.Today is Sunday. What day of the week will it be after 46 days? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
  26. 26.Today is Saturday. What day of the week will it be after 47 days? (a) Thursday (b) Saturday (c) Wednesday (d) Friday
  27. 27.If 15 March is a Saturday, what day of the week is 30 March? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
  28. 28.Today is Tuesday. What day of the week will it be after 14 days? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
  29. 29.If 1 March is a Saturday, what day of the week is 10 March? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
  30. 30.If 12 October is a Saturday, what day of the week is 27 October? (a) Tuesday (b) Sunday (c) Saturday (d) Monday
  31. 31.If 7 December is a Thursday, what day of the week is 18 December? (a) Tuesday (b) Monday (c) Sunday (d) Wednesday
  32. 32.Today is Friday. What day of the week will it be after 58 days? (a) Tuesday (b) Monday (c) Sunday (d) Saturday
  33. 33.If 24 May is a Monday, what day of the week is 17 June? (a) Thursday (b) Wednesday (c) Friday (d) Saturday
  34. 34.If 1 December is a Sunday, what day of the week is 12 December? (a) Saturday (b) Wednesday (c) Friday (d) Thursday
  35. 35.If 5 July is a Saturday, what day of the week is 21 July? (a) Tuesday (b) Monday (c) Wednesday (d) Sunday
  36. 36.If 5 January is a Sunday, what day of the week is 18 January? (a) Sunday (b) Monday (c) Saturday (d) Friday
  37. 37.Today is Wednesday. What day of the week will it be after 59 days? (a) Friday (b) Sunday (c) Saturday (d) Monday
  38. 38.If 2 January is a Monday, what day of the week is 12 January? (a) Thursday (b) Wednesday (c) Friday (d) Saturday
  39. 39.If 7 May is a Sunday, what day of the week is 23 May? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
  40. 40.Today is Saturday. What day of the week will it be after 38 days? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday

Answer key

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

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