Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 428 · 40 questions

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.

1. 1.Today is Wednesday. What day of the week will it be after 84 days? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
2. 2.Today is Monday. What day of the week will it be after 97 days? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
3. 3.If 2 March is a Friday, what day of the week is 12 March? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
4. 4.Today is Sunday. What day of the week will it be after 32 days? (a) Thursday (b) Wednesday (c) Saturday (d) Friday
5. 5.If 6 March is a Tuesday, what day of the week is 16 March? (a) Friday (b) Sunday (c) Thursday (d) Saturday
6. 6.Today is Wednesday. What day of the week will it be after 85 days? (a) Wednesday (b) Thursday (c) Friday (d) Saturday
7. 7.If 2 December is a Monday, what day of the week is 16 December? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
8. 8.If 21 June is a Thursday, what day of the week is 4 July? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
9. 9.If 14 July is a Thursday, what day of the week is 15 August? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
10. 10.Today is Monday. What day of the week will it be after 100 days? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
11. 11.Today is Monday. What day of the week will it be after 91 days? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
12. 12.Today is Tuesday. What day of the week will it be after 57 days? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
13. 13.If 15 August is a Saturday, what day of the week is 24 August? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
14. 14.Today is Monday. What day of the week will it be after 48 days? (a) Sunday (b) Tuesday (c) Monday (d) Saturday
15. 15.Today is Wednesday. What day of the week will it be after 75 days? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
16. 16.If 28 November is a Wednesday, what day of the week is 7 December? (a) Friday (b) Thursday (c) Sunday (d) Saturday
17. 17.If 7 March is a Thursday, what day of the week is 22 March? (a) Saturday (b) Friday (c) Sunday (d) Thursday
18. 18.If 4 August is a Wednesday, what day of the week is 12 August? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
19. 19.If 20 August is a Saturday, what day of the week is 18 September? (a) Saturday (b) Sunday (c) Monday (d) Tuesday
20. 20.Today is Saturday. What day of the week will it be after 21 days? (a) Friday (b) Saturday (c) Monday (d) Sunday
21. 21.If 11 October is a Tuesday, what day of the week is 8 November? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
22. 22.If 23 January is a Thursday, what day of the week is 16 February? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
23. 23.If 6 July is a Monday, what day of the week is 21 July? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
24. 24.If 9 December is a Monday, what day of the week is 22 December? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
25. 25.If 5 October is a Sunday, what day of the week is 18 October? (a) Sunday (b) Monday (c) Saturday (d) Friday
26. 26.Today is Monday. What day of the week will it be after 29 days? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
27. 27.If 16 January is a Friday, what day of the week is 12 February? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
28. 28.If 15 January is a Friday, what day of the week is 10 February? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
29. 29.If 2 October is a Thursday, what day of the week is 15 October? (a) Wednesday (b) Tuesday (c) Thursday (d) Friday
30. 30.Today is Monday. What day of the week will it be after 14 days? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
31. 31.If 21 October is a Thursday, what day of the week is 18 November? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
32. 32.If 9 October is a Tuesday, what day of the week is 22 October? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
33. 33.If 9 October is a Tuesday, what day of the week is 17 October? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
34. 34.If 10 September is a Monday, what day of the week is 19 October? (a) Sunday (b) Thursday (c) Saturday (d) Friday
35. 35.If 3 January is a Tuesday, what day of the week is 18 January? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
36. 36.If 28 June is a Thursday, what day of the week is 14 July? (a) Friday (b) Saturday (c) Monday (d) Sunday
37. 37.If 2 December is a Thursday, what day of the week is 16 December? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
38. 38.Today is Tuesday. What day of the week will it be after 20 days? (a) Wednesday (b) Tuesday (c) Sunday (d) Monday
39. 39.If 3 March is a Wednesday, what day of the week is 16 March? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
40. 40.If 8 March is a Monday, what day of the week is 24 March? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday

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