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Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 305 · 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 59 days? (a) Sunday (b) Thursday (c) Saturday (d) Friday
  2. 2.If 29 June is a Monday, what day of the week is 5 July? (a) Sunday (b) Tuesday (c) Monday (d) Saturday
  3. 3.Today is Tuesday. What day of the week will it be after 91 days? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
  4. 4.Today is Tuesday. What day of the week will it be after 95 days? (a) Sunday (b) Saturday (c) Friday (d) Monday
  5. 5.If 24 September is a Sunday, what day of the week is 3 October? (a) Tuesday (b) Wednesday (c) Thursday (d) Monday
  6. 6.If 29 March is a Monday, what day of the week is 2 April? (a) Sunday (b) Thursday (c) Saturday (d) Friday
  7. 7.If 15 September is a Thursday, what day of the week is 6 October? (a) Thursday (b) Wednesday (c) Friday (d) Saturday
  8. 8.If 5 July is a Wednesday, what day of the week is 14 July? (a) Saturday (b) Sunday (c) Friday (d) Thursday
  9. 9.Today is Tuesday. What day of the week will it be after 71 days? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
  10. 10.Today is Wednesday. What day of the week will it be after 22 days? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
  11. 11.Today is Friday. What day of the week will it be after 90 days? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
  12. 12.If 18 January is a Wednesday, what day of the week is 16 February? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
  13. 13.Today is Saturday. What day of the week will it be after 50 days? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
  14. 14.If 10 October is a Sunday, what day of the week is 25 October? (a) Wednesday (b) Monday (c) Sunday (d) Tuesday
  15. 15.If 6 December is a Monday, what day of the week is 18 December? (a) Friday (b) Sunday (c) Monday (d) Saturday
  16. 16.If 2 December is a Wednesday, what day of the week is 10 December? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
  17. 17.Today is Thursday. What day of the week will it be after 55 days? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
  18. 18.If 13 August is a Wednesday, what day of the week is 5 September? (a) Sunday (b) Thursday (c) Friday (d) Saturday
  19. 19.Today is Tuesday. What day of the week will it be after 31 days? (a) Friday (b) Saturday (c) Thursday (d) Sunday
  20. 20.If 8 January is a Sunday, what day of the week is 19 January? (a) Thursday (b) Friday (c) Saturday (d) Wednesday
  21. 21.If 9 October is a Friday, what day of the week is 18 October? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
  22. 22.If 16 July is a Friday, what day of the week is 10 August? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
  23. 23.If 12 November is a Monday, what day of the week is 6 December? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
  24. 24.Today is Wednesday. What day of the week will it be after 52 days? (a) Friday (b) Sunday (c) Saturday (d) Monday
  25. 25.If 4 January is a Sunday, what day of the week is 17 January? (a) Sunday (b) Monday (c) Saturday (d) Friday
  26. 26.Today is Friday. What day of the week will it be after 21 days? (a) Thursday (b) Sunday (c) Saturday (d) Friday
  27. 27.If 11 January is a Sunday, what day of the week is 5 February? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
  28. 28.If 12 April is a Monday, what day of the week is 5 May? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
  29. 29.If 20 April is a Sunday, what day of the week is 13 May? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
  30. 30.If 2 October is a Tuesday, what day of the week is 13 October? (a) Friday (b) Saturday (c) Sunday (d) Monday
  31. 31.Today is Tuesday. What day of the week will it be after 97 days? (a) Monday (b) Sunday (c) Tuesday (d) Wednesday
  32. 32.Today is Tuesday. What day of the week will it be after 45 days? (a) Sunday (b) Friday (c) Saturday (d) Thursday
  33. 33.Today is Wednesday. What day of the week will it be after 80 days? (a) Monday (b) Friday (c) Saturday (d) Sunday
  34. 34.Today is Wednesday. What day of the week will it be after 73 days? (a) Saturday (b) Monday (c) Friday (d) Sunday
  35. 35.If 1 July is a Wednesday, what day of the week is 10 July? (a) Friday (b) Saturday (c) Sunday (d) Thursday
  36. 36.If 20 October is a Sunday, what day of the week is 11 November? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
  37. 37.If 15 March is a Thursday, what day of the week is 8 April? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
  38. 38.If 13 October is a Friday, what day of the week is 8 November? (a) Wednesday (b) Friday (c) Thursday (d) Tuesday
  39. 39.Today is Saturday. What day of the week will it be after 55 days? (a) Saturday (b) Thursday (c) Friday (d) Sunday
  40. 40.If 10 March is a Wednesday, what day of the week is 18 March? (a) Wednesday (b) Thursday (c) Saturday (d) Friday

Answer key

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

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