Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 353 · 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.If 12 August is a Friday, what day of the week is 24 August? (a) Tuesday (b) Thursday (c) Wednesday (d) Friday
2. 2.Today is Saturday. What day of the week will it be after 61 days? (a) Saturday (b) Wednesday (c) Friday (d) Thursday
3. 3.If 6 August is a Thursday, what day of the week is 20 August? (a) Thursday (b) Wednesday (c) Friday (d) Saturday
4. 4.If 4 December is a Tuesday, what day of the week is 20 December? (a) Thursday (b) Wednesday (c) Saturday (d) Friday
5. 5.Today is Thursday. What day of the week will it be after 33 days? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
6. 6.If 13 August is a Tuesday, what day of the week is 27 August? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
7. 7.If 12 August is a Sunday, what day of the week is 7 September? (a) Thursday (b) Sunday (c) Saturday (d) Friday
8. 8.If 9 August is a Friday, what day of the week is 25 August? (a) Monday (b) Sunday (c) Saturday (d) Tuesday
9. 9.Today is Tuesday. What day of the week will it be after 61 days? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
10. 10.If 15 November is a Saturday, what day of the week is 1 December? (a) Wednesday (b) Tuesday (c) Monday (d) Sunday
11. 11.Today is Monday. What day of the week will it be after 61 days? (a) Sunday (b) Saturday (c) Monday (d) Friday
12. 12.Today is Thursday. What day of the week will it be after 45 days? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
13. 13.If 17 August is a Tuesday, what day of the week is 8 September? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
14. 14.If 11 May is a Friday, what day of the week is 24 May? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
15. 15.If 1 December is a Tuesday, what day of the week is 11 December? (a) Saturday (b) Sunday (c) Friday (d) Thursday
16. 16.Today is Monday. What day of the week will it be after 32 days? (a) Thursday (b) Saturday (c) Sunday (d) Friday
17. 17.Today is Sunday. What day of the week will it be after 70 days? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
18. 18.If 15 August is a Friday, what day of the week is 26 August? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
19. 19.If 4 October is a Thursday, what day of the week is 15 October? (a) Tuesday (b) Monday (c) Sunday (d) Wednesday
20. 20.Today is Tuesday. What day of the week will it be after 99 days? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
21. 21.If 18 January is a Sunday, what day of the week is 10 February? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
22. 22.If 7 March is a Wednesday, what day of the week is 22 March? (a) Wednesday (b) Thursday (c) Friday (d) Saturday
23. 23.If 2 October is a Wednesday, what day of the week is 11 October? (a) Thursday (b) Friday (c) Sunday (d) Saturday
24. 24.If 3 January is a Friday, what day of the week is 14 January? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
25. 25.Today is Thursday. What day of the week will it be after 71 days? (a) Saturday (b) Thursday (c) Sunday (d) Friday
26. 26.If 12 September is a Thursday, what day of the week is 8 October? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
27. 27.If 10 January is a Thursday, what day of the week is 19 January? (a) Saturday (b) Sunday (c) Monday (d) Friday
28. 28.If 16 July is a Saturday, what day of the week is 12 August? (a) Friday (b) Thursday (c) Sunday (d) Saturday
29. 29.Today is Wednesday. What day of the week will it be after 32 days? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
30. 30.Today is Monday. What day of the week will it be after 71 days? (a) Tuesday (b) Wednesday (c) Thursday (d) Monday
31. 31.If 17 October is a Tuesday, what day of the week is 11 November? (a) Friday (b) Monday (c) Sunday (d) Saturday
32. 32.Today is Sunday. What day of the week will it be after 75 days? (a) Friday (b) Sunday (c) Thursday (d) Saturday
33. 33.If 4 March is a Wednesday, what day of the week is 13 March? (a) Thursday (b) Sunday (c) Saturday (d) Friday
34. 34.Today is Sunday. What day of the week will it be after 41 days? (a) Monday (b) Friday (c) Saturday (d) Sunday
35. 35.Today is Wednesday. What day of the week will it be after 64 days? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
36. 36.If 21 September is a Saturday, what day of the week is 2 October? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
37. 37.If 13 January is a Sunday, what day of the week is 23 January? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
38. 38.If 11 July is a Tuesday, what day of the week is 22 July? (a) Monday (b) Sunday (c) Friday (d) Saturday
39. 39.Today is Friday. What day of the week will it be after 29 days? (a) Sunday (b) Friday (c) Monday (d) Saturday
40. 40.Today is Saturday. What day of the week will it be after 52 days? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday

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