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Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 943 · 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 Tuesday. What day of the week will it be after 73 days? (a) Friday (b) Saturday (c) Sunday (d) Thursday
  2. 2.If 8 July is a Saturday, what day of the week is 20 July? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
  3. 3.Today is Monday. What day of the week will it be after 92 days? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday
  4. 4.Today is Wednesday. What day of the week will it be after 94 days? (a) Saturday (b) Sunday (c) Friday (d) Monday
  5. 5.If 16 March is a Tuesday, what day of the week is 19 April? (a) Wednesday (b) Tuesday (c) Sunday (d) Monday
  6. 6.If 19 March is a Friday, what day of the week is 5 April? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
  7. 7.If 1 August is a Sunday, what day of the week is 12 August? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
  8. 8.If 14 March is a Tuesday, what day of the week is 30 March? (a) Friday (b) Thursday (c) Wednesday (d) Saturday
  9. 9.If 10 March is a Tuesday, what day of the week is 21 March? (a) Friday (b) Saturday (c) Sunday (d) Monday
  10. 10.If 8 January is a Thursday, what day of the week is 18 January? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
  11. 11.Today is Monday. What day of the week will it be after 13 days? (a) Monday (b) Sunday (c) Saturday (d) Tuesday
  12. 12.Today is Sunday. What day of the week will it be after 34 days? (a) Sunday (b) Monday (c) Friday (d) Saturday
  13. 13.If 14 April is a Thursday, what day of the week is 18 May? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
  14. 14.If 3 July is a Saturday, what day of the week is 12 July? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
  15. 15.If 11 December is a Wednesday, what day of the week is 27 December? (a) Saturday (b) Sunday (c) Friday (d) Thursday
  16. 16.Today is Wednesday. What day of the week will it be after 68 days? (a) Monday (b) Wednesday (c) Sunday (d) Tuesday
  17. 17.If 12 October is a Tuesday, what day of the week is 20 October? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
  18. 18.If 14 December is a Sunday, what day of the week is 27 December? (a) Sunday (b) Friday (c) Monday (d) Saturday
  19. 19.If 4 March is a Saturday, what day of the week is 15 March? (a) Wednesday (b) Friday (c) Thursday (d) Tuesday
  20. 20.If 8 December is a Friday, what day of the week is 20 December? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
  21. 21.Today is Tuesday. What day of the week will it be after 15 days? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
  22. 22.Today is Monday. What day of the week will it be after 40 days? (a) Sunday (b) Monday (c) Saturday (d) Friday
  23. 23.Today is Saturday. What day of the week will it be after 52 days? (a) Wednesday (b) Tuesday (c) Thursday (d) Monday
  24. 24.Today is Thursday. What day of the week will it be after 22 days? (a) Friday (b) Thursday (c) Saturday (d) Sunday
  25. 25.If 18 November is a Friday, what day of the week is 8 December? (a) Thursday (b) Friday (c) Saturday (d) Wednesday
  26. 26.If 10 May is a Wednesday, what day of the week is 3 June? (a) Monday (b) Friday (c) Sunday (d) Saturday
  27. 27.If 17 May is a Sunday, what day of the week is 6 June? (a) Saturday (b) Sunday (c) Monday (d) Friday
  28. 28.If 14 August is a Thursday, what day of the week is 12 September? (a) Friday (b) Sunday (c) Saturday (d) Thursday
  29. 29.If 1 January is a Monday, what day of the week is 9 January? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
  30. 30.If 7 May is a Tuesday, what day of the week is 22 May? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
  31. 31.If 19 July is a Friday, what day of the week is 6 August? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
  32. 32.If 19 April is a Sunday, what day of the week is 6 May? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
  33. 33.If 31 March is a Wednesday, what day of the week is 3 April? (a) Friday (b) Monday (c) Saturday (d) Sunday
  34. 34.If 22 November is a Wednesday, what day of the week is 19 December? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
  35. 35.If 3 October is a Wednesday, what day of the week is 16 October? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
  36. 36.If 10 January is a Thursday, what day of the week is 26 January? (a) Monday (b) Sunday (c) Friday (d) Saturday
  37. 37.If 31 March is a Wednesday, what day of the week is 2 April? (a) Sunday (b) Thursday (c) Friday (d) Saturday
  38. 38.If 3 March is a Sunday, what day of the week is 13 March? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
  39. 39.Today is Wednesday. What day of the week will it be after 23 days? (a) Friday (b) Sunday (c) Saturday (d) Thursday
  40. 40.If 25 July is a Monday, what day of the week is 6 August? (a) Friday (b) Sunday (c) Saturday (d) Monday

Answer key

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

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