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Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 895 · 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 57 days? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
  2. 2.If 6 January is a Thursday, what day of the week is 18 January? (a) Tuesday (b) Thursday (c) Monday (d) Wednesday
  3. 3.If 6 August is a Tuesday, what day of the week is 15 August? (a) Thursday (b) Saturday (c) Wednesday (d) Friday
  4. 4.Today is Sunday. What day of the week will it be after 16 days? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
  5. 5.If 13 December is a Saturday, what day of the week is 28 December? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
  6. 6.If 3 August is a Sunday, what day of the week is 14 August? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
  7. 7.Today is Tuesday. What day of the week will it be after 96 days? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
  8. 8.If 7 January is a Thursday, what day of the week is 15 January? (a) Thursday (b) Saturday (c) Sunday (d) Friday
  9. 9.If 29 August is a Friday, what day of the week is 14 September? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
  10. 10.Today is Sunday. What day of the week will it be after 17 days? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
  11. 11.Today is Friday. What day of the week will it be after 65 days? (a) Saturday (b) Sunday (c) Monday (d) Tuesday
  12. 12.Today is Thursday. What day of the week will it be after 37 days? (a) Saturday (b) Monday (c) Sunday (d) Friday
  13. 13.Today is Sunday. What day of the week will it be after 60 days? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
  14. 14.If 30 January is a Sunday, what day of the week is 5 February? (a) Sunday (b) Friday (c) Saturday (d) Monday
  15. 15.Today is Thursday. What day of the week will it be after 12 days? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
  16. 16.If 28 June is a Sunday, what day of the week is 3 July? (a) Thursday (b) Sunday (c) Friday (d) Saturday
  17. 17.If 14 August is a Sunday, what day of the week is 3 September? (a) Sunday (b) Saturday (c) Monday (d) Friday
  18. 18.Today is Sunday. What day of the week will it be after 84 days? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
  19. 19.Today is Saturday. What day of the week will it be after 11 days? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
  20. 20.If 5 March is a Tuesday, what day of the week is 15 March? (a) Saturday (b) Thursday (c) Sunday (d) Friday
  21. 21.If 21 October is a Wednesday, what day of the week is 20 November? (a) Saturday (b) Thursday (c) Sunday (d) Friday
  22. 22.If 11 November is a Saturday, what day of the week is 18 December? (a) Tuesday (b) Monday (c) Sunday (d) Wednesday
  23. 23.If 14 March is a Sunday, what day of the week is 30 March? (a) Tuesday (b) Thursday (c) Monday (d) Wednesday
  24. 24.Today is Wednesday. What day of the week will it be after 43 days? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
  25. 25.If 8 August is a Wednesday, what day of the week is 19 August? (a) Monday (b) Sunday (c) Tuesday (d) Saturday
  26. 26.Today is Friday. What day of the week will it be after 44 days? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
  27. 27.Today is Wednesday. What day of the week will it be after 41 days? (a) Tuesday (b) Thursday (c) Wednesday (d) Monday
  28. 28.If 26 April is a Thursday, what day of the week is 15 May? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
  29. 29.Today is Sunday. What day of the week will it be after 96 days? (a) Saturday (b) Sunday (c) Friday (d) Thursday
  30. 30.Today is Monday. What day of the week will it be after 30 days? (a) Tuesday (b) Thursday (c) Wednesday (d) Friday
  31. 31.If 13 April is a Thursday, what day of the week is 12 May? (a) Friday (b) Thursday (c) Sunday (d) Saturday
  32. 32.If 14 May is a Tuesday, what day of the week is 28 May? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
  33. 33.If 8 December is a Monday, what day of the week is 23 December? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
  34. 34.If 3 July is a Monday, what day of the week is 13 July? (a) Thursday (b) Saturday (c) Wednesday (d) Friday
  35. 35.Today is Friday. What day of the week will it be after 15 days? (a) Saturday (b) Sunday (c) Monday (d) Friday
  36. 36.Today is Thursday. What day of the week will it be after 85 days? (a) Saturday (b) Friday (c) Sunday (d) Thursday
  37. 37.Today is Friday. What day of the week will it be after 17 days? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
  38. 38.Today is Saturday. What day of the week will it be after 88 days? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
  39. 39.If 6 May is a Monday, what day of the week is 14 May? (a) Tuesday (b) Monday (c) Wednesday (d) Thursday
  40. 40.If 18 May is a Thursday, what day of the week is 19 June? (a) Wednesday (b) Tuesday (c) Sunday (d) Monday

Answer key

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

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