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Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 304 · 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 2 August is a Friday, what day of the week is 16 August? (a) Sunday (b) Friday (c) Saturday (d) Thursday
  2. 2.If 14 March is a Friday, what day of the week is 12 April? (a) Friday (b) Sunday (c) Saturday (d) Monday
  3. 3.If 7 October is a Wednesday, what day of the week is 22 October? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
  4. 4.If 10 January is a Saturday, what day of the week is 2 February? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
  5. 5.If 10 May is a Sunday, what day of the week is 26 May? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
  6. 6.Today is Saturday. What day of the week will it be after 73 days? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
  7. 7.If 29 May is a Monday, what day of the week is 18 June? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
  8. 8.Today is Friday. What day of the week will it be after 95 days? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
  9. 9.Today is Tuesday. What day of the week will it be after 19 days? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
  10. 10.If 17 January is a Friday, what day of the week is 17 February? (a) Wednesday (b) Monday (c) Sunday (d) Tuesday
  11. 11.If 24 April is a Saturday, what day of the week is 5 May? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
  12. 12.If 10 May is a Tuesday, what day of the week is 22 May? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
  13. 13.Today is Monday. What day of the week will it be after 15 days? (a) Tuesday (b) Thursday (c) Monday (d) Wednesday
  14. 14.If 13 October is a Friday, what day of the week is 10 November? (a) Saturday (b) Thursday (c) Sunday (d) Friday
  15. 15.Today is Saturday. What day of the week will it be after 88 days? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
  16. 16.If 5 January is a Friday, what day of the week is 17 January? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
  17. 17.If 19 September is a Sunday, what day of the week is 20 October? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
  18. 18.Today is Tuesday. What day of the week will it be after 54 days? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
  19. 19.If 1 August is a Tuesday, what day of the week is 15 August? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
  20. 20.Today is Tuesday. What day of the week will it be after 86 days? (a) Friday (b) Thursday (c) Wednesday (d) Saturday
  21. 21.If 15 November is a Friday, what day of the week is 13 December? (a) Saturday (b) Thursday (c) Friday (d) Sunday
  22. 22.If 11 August is a Tuesday, what day of the week is 9 September? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
  23. 23.If 4 May is a Wednesday, what day of the week is 15 May? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
  24. 24.Today is Thursday. What day of the week will it be after 21 days? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
  25. 25.If 7 March is a Saturday, what day of the week is 19 March? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
  26. 26.If 16 May is a Wednesday, what day of the week is 15 June? (a) Saturday (b) Sunday (c) Thursday (d) Friday
  27. 27.If 3 August is a Friday, what day of the week is 19 August? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
  28. 28.If 23 June is a Wednesday, what day of the week is 12 July? (a) Monday (b) Wednesday (c) Tuesday (d) Sunday
  29. 29.Today is Saturday. What day of the week will it be after 32 days? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
  30. 30.Today is Monday. What day of the week will it be after 24 days? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
  31. 31.Today is Monday. What day of the week will it be after 18 days? (a) Saturday (b) Sunday (c) Thursday (d) Friday
  32. 32.If 21 March is a Saturday, what day of the week is 8 April? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
  33. 33.Today is Tuesday. What day of the week will it be after 32 days? (a) Saturday (b) Sunday (c) Monday (d) Friday
  34. 34.Today is Wednesday. What day of the week will it be after 44 days? (a) Friday (b) Sunday (c) Thursday (d) Saturday
  35. 35.Today is Friday. What day of the week will it be after 59 days? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
  36. 36.If 9 March is a Wednesday, what day of the week is 25 March? (a) Sunday (b) Thursday (c) Friday (d) Saturday
  37. 37.If 23 April is a Thursday, what day of the week is 9 May? (a) Monday (b) Sunday (c) Friday (d) Saturday
  38. 38.Today is Monday. What day of the week will it be after 41 days? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
  39. 39.If 9 March is a Thursday, what day of the week is 23 March? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
  40. 40.Today is Sunday. What day of the week will it be after 41 days? (a) Friday (b) Monday (c) Sunday (d) Saturday

Answer key

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

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