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Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 789 · 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 Monday. What day of the week will it be after 18 days? (a) Sunday (b) Thursday (c) Saturday (d) Friday
  2. 2.Today is Thursday. What day of the week will it be after 38 days? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
  3. 3.If 14 June is a Friday, what day of the week is 2 July? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
  4. 4.If 11 November is a Monday, what day of the week is 18 December? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
  5. 5.Today is Sunday. What day of the week will it be after 27 days? (a) Sunday (b) Monday (c) Saturday (d) Friday
  6. 6.If 10 April is a Tuesday, what day of the week is 12 May? (a) Monday (b) Saturday (c) Friday (d) Sunday
  7. 7.If 4 July is a Friday, what day of the week is 17 July? (a) Thursday (b) Wednesday (c) Friday (d) Saturday
  8. 8.If 2 July is a Wednesday, what day of the week is 11 July? (a) Sunday (b) Friday (c) Saturday (d) Thursday
  9. 9.Today is Thursday. What day of the week will it be after 59 days? (a) Tuesday (b) Sunday (c) Saturday (d) Monday
  10. 10.Today is Saturday. What day of the week will it be after 41 days? (a) Friday (b) Sunday (c) Thursday (d) Saturday
  11. 11.If 2 January is a Tuesday, what day of the week is 10 January? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
  12. 12.If 25 April is a Sunday, what day of the week is 15 May? (a) Friday (b) Saturday (c) Monday (d) Sunday
  13. 13.Today is Sunday. What day of the week will it be after 57 days? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
  14. 14.Today is Thursday. What day of the week will it be after 95 days? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
  15. 15.If 18 April is a Monday, what day of the week is 18 May? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
  16. 16.If 12 January is a Friday, what day of the week is 17 February? (a) Monday (b) Saturday (c) Friday (d) Sunday
  17. 17.If 13 April is a Friday, what day of the week is 17 May? (a) Thursday (b) Wednesday (c) Friday (d) Saturday
  18. 18.If 26 March is a Friday, what day of the week is 8 April? (a) Friday (b) Thursday (c) Wednesday (d) Saturday
  19. 19.Today is Friday. What day of the week will it be after 32 days? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
  20. 20.If 27 January is a Tuesday, what day of the week is 16 February? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
  21. 21.If 9 December is a Sunday, what day of the week is 24 December? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
  22. 22.If 24 September is a Sunday, what day of the week is 13 October? (a) Saturday (b) Sunday (c) Friday (d) Thursday
  23. 23.Today is Monday. What day of the week will it be after 15 days? (a) Tuesday (b) Thursday (c) Wednesday (d) Monday
  24. 24.Today is Monday. What day of the week will it be after 70 days? (a) Sunday (b) Monday (c) Tuesday (d) Wednesday
  25. 25.If 18 July is a Thursday, what day of the week is 9 August? (a) Sunday (b) Thursday (c) Friday (d) Saturday
  26. 26.If 14 August is a Thursday, what day of the week is 29 August? (a) Friday (b) Thursday (c) Saturday (d) Sunday
  27. 27.If 19 April is a Friday, what day of the week is 17 May? (a) Friday (b) Saturday (c) Sunday (d) Thursday
  28. 28.If 23 October is a Saturday, what day of the week is 13 November? (a) Saturday (b) Friday (c) Sunday (d) Monday
  29. 29.If 8 December is a Saturday, what day of the week is 23 December? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
  30. 30.If 13 March is a Wednesday, what day of the week is 28 March? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
  31. 31.Today is Thursday. What day of the week will it be after 35 days? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
  32. 32.If 11 October is a Monday, what day of the week is 9 November? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
  33. 33.If 9 August is a Sunday, what day of the week is 17 August? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
  34. 34.If 15 May is a Wednesday, what day of the week is 23 May? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
  35. 35.If 18 October is a Monday, what day of the week is 7 November? (a) Sunday (b) Saturday (c) Tuesday (d) Monday
  36. 36.If 15 January is a Saturday, what day of the week is 27 January? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
  37. 37.If 19 May is a Monday, what day of the week is 9 June? (a) Wednesday (b) Tuesday (c) Sunday (d) Monday
  38. 38.Today is Monday. What day of the week will it be after 19 days? (a) Saturday (b) Monday (c) Sunday (d) Friday
  39. 39.If 1 December is a Sunday, what day of the week is 12 December? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
  40. 40.If 6 May is a Sunday, what day of the week is 17 May? (a) Friday (b) Thursday (c) Wednesday (d) Saturday

Answer key

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

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