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Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 394 · 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 11 April is a Saturday, what day of the week is 19 May? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
  2. 2.If 17 March is a Friday, what day of the week is 4 April? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
  3. 3.If 2 March is a Saturday, what day of the week is 17 March? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
  4. 4.Today is Sunday. What day of the week will it be after 95 days? (a) Saturday (b) Wednesday (c) Friday (d) Thursday
  5. 5.If 4 March is a Tuesday, what day of the week is 15 March? (a) Saturday (b) Sunday (c) Friday (d) Monday
  6. 6.Today is Sunday. What day of the week will it be after 64 days? (a) Tuesday (b) Wednesday (c) Sunday (d) Monday
  7. 7.If 7 July is a Thursday, what day of the week is 19 July? (a) Wednesday (b) Tuesday (c) Thursday (d) Monday
  8. 8.Today is Monday. What day of the week will it be after 93 days? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
  9. 9.If 16 January is a Monday, what day of the week is 18 February? (a) Monday (b) Friday (c) Saturday (d) Sunday
  10. 10.If 2 December is a Saturday, what day of the week is 18 December? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
  11. 11.If 2 August is a Saturday, what day of the week is 13 August? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
  12. 12.If 19 July is a Monday, what day of the week is 20 August? (a) Friday (b) Sunday (c) Thursday (d) Saturday
  13. 13.If 8 May is a Friday, what day of the week is 18 May? (a) Monday (b) Wednesday (c) Tuesday (d) Sunday
  14. 14.Today is Monday. What day of the week will it be after 57 days? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
  15. 15.If 12 October is a Monday, what day of the week is 25 October? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
  16. 16.Today is Tuesday. What day of the week will it be after 20 days? (a) Wednesday (b) Tuesday (c) Monday (d) Sunday
  17. 17.If 18 June is a Monday, what day of the week is 7 July? (a) Friday (b) Monday (c) Sunday (d) Saturday
  18. 18.Today is Tuesday. What day of the week will it be after 74 days? (a) Sunday (b) Monday (c) Friday (d) Saturday
  19. 19.If 15 January is a Tuesday, what day of the week is 30 January? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
  20. 20.If 3 December is a Thursday, what day of the week is 17 December? (a) Wednesday (b) Thursday (c) Friday (d) Saturday
  21. 21.If 27 November is a Tuesday, what day of the week is 7 December? (a) Sunday (b) Thursday (c) Friday (d) Saturday
  22. 22.Today is Saturday. What day of the week will it be after 30 days? (a) Monday (b) Sunday (c) Tuesday (d) Wednesday
  23. 23.If 7 January is a Thursday, what day of the week is 18 January? (a) Monday (b) Sunday (c) Tuesday (d) Wednesday
  24. 24.If 4 January is a Friday, what day of the week is 18 January? (a) Sunday (b) Friday (c) Saturday (d) Thursday
  25. 25.Today is Tuesday. What day of the week will it be after 83 days? (a) Tuesday (b) Monday (c) Sunday (d) Wednesday
  26. 26.If 12 September is a Saturday, what day of the week is 4 October? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
  27. 27.Today is Thursday. What day of the week will it be after 92 days? (a) Saturday (b) Thursday (c) Sunday (d) Friday
  28. 28.If 11 May is a Wednesday, what day of the week is 23 May? (a) Tuesday (b) Wednesday (c) Sunday (d) Monday
  29. 29.Today is Saturday. What day of the week will it be after 65 days? (a) Tuesday (b) Wednesday (c) Sunday (d) Monday
  30. 30.If 1 October is a Wednesday, what day of the week is 17 October? (a) Sunday (b) Friday (c) Thursday (d) Saturday
  31. 31.Today is Tuesday. What day of the week will it be after 52 days? (a) Sunday (b) Friday (c) Thursday (d) Saturday
  32. 32.If 2 May is a Wednesday, what day of the week is 10 May? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
  33. 33.If 11 March is a Saturday, what day of the week is 21 March? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
  34. 34.If 12 January is a Thursday, what day of the week is 27 January? (a) Thursday (b) Saturday (c) Sunday (d) Friday
  35. 35.Today is Wednesday. What day of the week will it be after 21 days? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
  36. 36.If 1 October is a Tuesday, what day of the week is 17 October? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
  37. 37.If 29 May is a Sunday, what day of the week is 3 June? (a) Friday (b) Thursday (c) Sunday (d) Saturday
  38. 38.If 19 April is a Wednesday, what day of the week is 3 May? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
  39. 39.If 12 October is a Sunday, what day of the week is 6 November? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
  40. 40.Today is Saturday. What day of the week will it be after 86 days? (a) Wednesday (b) Tuesday (c) Monday (d) Sunday

Answer key

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

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