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Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 757 · 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 Thursday. What day of the week will it be after 57 days? (a) Friday (b) Saturday (c) Thursday (d) Sunday
  2. 2.If 13 August is a Friday, what day of the week is 24 August? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
  3. 3.Today is Tuesday. What day of the week will it be after 12 days? (a) Sunday (b) Monday (c) Tuesday (d) Saturday
  4. 4.If 11 August is a Friday, what day of the week is 21 August? (a) Monday (b) Tuesday (c) Sunday (d) Wednesday
  5. 5.Today is Sunday. What day of the week will it be after 98 days? (a) Sunday (b) Saturday (c) Tuesday (d) Monday
  6. 6.If 1 July is a Sunday, what day of the week is 9 July? (a) Monday (b) Sunday (c) Tuesday (d) Wednesday
  7. 7.If 24 August is a Monday, what day of the week is 3 September? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
  8. 8.Today is Thursday. What day of the week will it be after 58 days? (a) Sunday (b) Monday (c) Saturday (d) Friday
  9. 9.Today is Wednesday. What day of the week will it be after 52 days? (a) Friday (b) Sunday (c) Saturday (d) Monday
  10. 10.Today is Tuesday. What day of the week will it be after 31 days? (a) Friday (b) Thursday (c) Sunday (d) Saturday
  11. 11.If 2 January is a Tuesday, what day of the week is 18 January? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
  12. 12.If 4 March is a Thursday, what day of the week is 13 March? (a) Sunday (b) Saturday (c) Friday (d) Monday
  13. 13.Today is Friday. What day of the week will it be after 87 days? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
  14. 14.Today is Monday. What day of the week will it be after 62 days? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
  15. 15.Today is Tuesday. What day of the week will it be after 81 days? (a) Friday (b) Monday (c) Saturday (d) Sunday
  16. 16.If 7 March is a Thursday, what day of the week is 20 March? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
  17. 17.If 15 December is a Wednesday, what day of the week is 23 December? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
  18. 18.Today is Wednesday. What day of the week will it be after 22 days? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
  19. 19.If 5 August is a Wednesday, what day of the week is 15 August? (a) Saturday (b) Sunday (c) Monday (d) Friday
  20. 20.If 5 May is a Tuesday, what day of the week is 21 May? (a) Thursday (b) Saturday (c) Friday (d) Wednesday
  21. 21.Today is Thursday. What day of the week will it be after 69 days? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
  22. 22.If 24 June is a Sunday, what day of the week is 15 July? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
  23. 23.If 8 August is a Thursday, what day of the week is 17 August? (a) Saturday (b) Sunday (c) Friday (d) Monday
  24. 24.If 6 December is a Friday, what day of the week is 18 December? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
  25. 25.If 29 April is a Monday, what day of the week is 11 May? (a) Saturday (b) Friday (c) Sunday (d) Monday
  26. 26.Today is Monday. What day of the week will it be after 71 days? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
  27. 27.If 6 October is a Saturday, what day of the week is 16 October? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
  28. 28.Today is Saturday. What day of the week will it be after 61 days? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
  29. 29.Today is Thursday. What day of the week will it be after 79 days? (a) Sunday (b) Friday (c) Saturday (d) Monday
  30. 30.If 15 April is a Thursday, what day of the week is 16 May? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
  31. 31.Today is Thursday. What day of the week will it be after 47 days? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
  32. 32.Today is Tuesday. What day of the week will it be after 30 days? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
  33. 33.If 16 January is a Thursday, what day of the week is 14 February? (a) Saturday (b) Sunday (c) Thursday (d) Friday
  34. 34.Today is Friday. What day of the week will it be after 31 days? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
  35. 35.If 7 July is a Wednesday, what day of the week is 19 July? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
  36. 36.If 15 October is a Saturday, what day of the week is 8 November? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
  37. 37.If 14 June is a Tuesday, what day of the week is 3 July? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
  38. 38.If 3 July is a Saturday, what day of the week is 17 July? (a) Sunday (b) Monday (c) Friday (d) Saturday
  39. 39.Today is Friday. What day of the week will it be after 16 days? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
  40. 40.Today is Saturday. What day of the week will it be after 88 days? (a) Tuesday (b) Thursday (c) Wednesday (d) Friday

Answer key

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

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