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Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 998 · 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.If 10 May is a Thursday, what day of the week is 4 June? (a) Monday (b) Sunday (c) Wednesday (d) Tuesday
  2. 2.If 14 May is a Thursday, what day of the week is 15 June? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
  3. 3.If 13 May is a Sunday, what day of the week is 1 June? (a) Thursday (b) Sunday (c) Saturday (d) Friday
  4. 4.If 4 July is a Friday, what day of the week is 15 July? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
  5. 5.If 4 March is a Tuesday, what day of the week is 19 March? (a) Wednesday (b) Thursday (c) Tuesday (d) Friday
  6. 6.If 14 March is a Saturday, what day of the week is 27 March? (a) Saturday (b) Sunday (c) Thursday (d) Friday
  7. 7.If 12 July is a Tuesday, what day of the week is 26 July? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
  8. 8.If 1 August is a Monday, what day of the week is 17 August? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
  9. 9.If 4 January is a Sunday, what day of the week is 17 January? (a) Monday (b) Friday (c) Sunday (d) Saturday
  10. 10.Today is Thursday. What day of the week will it be after 41 days? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
  11. 11.If 2 May is a Sunday, what day of the week is 14 May? (a) Friday (b) Sunday (c) Saturday (d) Thursday
  12. 12.Today is Saturday. What day of the week will it be after 96 days? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
  13. 13.If 9 August is a Saturday, what day of the week is 23 August? (a) Sunday (b) Friday (c) Saturday (d) Monday
  14. 14.If 12 October is a Monday, what day of the week is 21 October? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
  15. 15.If 29 June is a Monday, what day of the week is 2 July? (a) Thursday (b) Wednesday (c) Saturday (d) Friday
  16. 16.Today is Wednesday. What day of the week will it be after 86 days? (a) Sunday (b) Thursday (c) Friday (d) Saturday
  17. 17.Today is Sunday. What day of the week will it be after 18 days? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
  18. 18.If 21 August is a Sunday, what day of the week is 5 September? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
  19. 19.If 1 August is a Sunday, what day of the week is 11 August? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
  20. 20.If 20 May is a Saturday, what day of the week is 5 June? (a) Wednesday (b) Monday (c) Sunday (d) Tuesday
  21. 21.Today is Sunday. What day of the week will it be after 47 days? (a) Saturday (b) Sunday (c) Friday (d) Thursday
  22. 22.If 8 March is a Friday, what day of the week is 16 March? (a) Saturday (b) Monday (c) Friday (d) Sunday
  23. 23.If 7 March is a Saturday, what day of the week is 17 March? (a) Tuesday (b) Thursday (c) Wednesday (d) Monday
  24. 24.If 15 June is a Wednesday, what day of the week is 1 July? (a) Thursday (b) Saturday (c) Sunday (d) Friday
  25. 25.If 7 July is a Wednesday, what day of the week is 23 July? (a) Sunday (b) Thursday (c) Saturday (d) Friday
  26. 26.Today is Friday. What day of the week will it be after 92 days? (a) Friday (b) Sunday (c) Monday (d) Saturday
  27. 27.If 1 August is a Saturday, what day of the week is 12 August? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
  28. 28.If 5 May is a Thursday, what day of the week is 14 May? (a) Sunday (b) Saturday (c) Monday (d) Friday
  29. 29.If 19 March is a Sunday, what day of the week is 2 April? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
  30. 30.If 13 May is a Saturday, what day of the week is 5 June? (a) Wednesday (b) Tuesday (c) Sunday (d) Monday
  31. 31.If 26 August is a Wednesday, what day of the week is 1 September? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
  32. 32.Today is Wednesday. What day of the week will it be after 17 days? (a) Sunday (b) Friday (c) Monday (d) Saturday
  33. 33.If 10 March is a Saturday, what day of the week is 19 March? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
  34. 34.If 21 September is a Saturday, what day of the week is 6 October? (a) Sunday (b) Monday (c) Tuesday (d) Saturday
  35. 35.Today is Saturday. What day of the week will it be after 84 days? (a) Sunday (b) Saturday (c) Monday (d) Friday
  36. 36.Today is Friday. What day of the week will it be after 55 days? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
  37. 37.Today is Sunday. What day of the week will it be after 90 days? (a) Sunday (b) Friday (c) Saturday (d) Monday
  38. 38.Today is Wednesday. What day of the week will it be after 14 days? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
  39. 39.If 12 April is a Thursday, what day of the week is 14 May? (a) Tuesday (b) Wednesday (c) Sunday (d) Monday
  40. 40.If 1 March is a Saturday, what day of the week is 9 March? (a) Monday (b) Tuesday (c) Sunday (d) Saturday

Answer key

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

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