Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 711 · 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 9 January is a Tuesday, what day of the week is 24 January? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
2. 2.If 10 December is a Saturday, what day of the week is 19 December? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
3. 3.If 14 October is a Wednesday, what day of the week is 20 November? (a) Friday (b) Saturday (c) Sunday (d) Thursday
4. 4.If 15 October is a Thursday, what day of the week is 23 October? (a) Saturday (b) Sunday (c) Friday (d) Thursday
5. 5.If 26 July is a Sunday, what day of the week is 8 August? (a) Friday (b) Saturday (c) Sunday (d) Monday
6. 6.If 26 August is a Friday, what day of the week is 19 September? (a) Tuesday (b) Monday (c) Wednesday (d) Sunday
7. 7.If 11 May is a Sunday, what day of the week is 20 May? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
8. 8.Today is Monday. What day of the week will it be after 57 days? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
9. 9.If 19 September is a Saturday, what day of the week is 10 October? (a) Friday (b) Sunday (c) Saturday (d) Monday
10. 10.Today is Monday. What day of the week will it be after 24 days? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
11. 11.If 11 August is a Thursday, what day of the week is 19 August? (a) Thursday (b) Sunday (c) Friday (d) Saturday
12. 12.If 7 December is a Thursday, what day of the week is 15 December? (a) Friday (b) Saturday (c) Sunday (d) Thursday
13. 13.If 1 August is a Wednesday, what day of the week is 9 August? (a) Wednesday (b) Thursday (c) Saturday (d) Friday
14. 14.If 27 May is a Saturday, what day of the week is 15 June? (a) Wednesday (b) Thursday (c) Friday (d) Saturday
15. 15.If 28 November is a Tuesday, what day of the week is 4 December? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
16. 16.If 30 May is a Thursday, what day of the week is 6 June? (a) Wednesday (b) Thursday (c) Friday (d) Saturday
17. 17.If 21 January is a Thursday, what day of the week is 18 February? (a) Saturday (b) Wednesday (c) Friday (d) Thursday
18. 18.If 9 August is a Thursday, what day of the week is 22 August? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
19. 19.If 7 January is a Sunday, what day of the week is 22 January? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
20. 20.If 16 October is a Friday, what day of the week is 5 November? (a) Wednesday (b) Thursday (c) Saturday (d) Friday
21. 21.If 10 May is a Tuesday, what day of the week is 26 May? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
22. 22.If 13 August is a Tuesday, what day of the week is 22 August? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
23. 23.If 6 August is a Sunday, what day of the week is 19 August? (a) Saturday (b) Friday (c) Sunday (d) Monday
24. 24.If 1 December is a Friday, what day of the week is 11 December? (a) Tuesday (b) Monday (c) Wednesday (d) Sunday
25. 25.Today is Monday. What day of the week will it be after 92 days? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
26. 26.If 10 January is a Monday, what day of the week is 21 January? (a) Sunday (b) Saturday (c) Friday (d) Thursday
27. 27.If 20 October is a Sunday, what day of the week is 9 November? (a) Sunday (b) Monday (c) Friday (d) Saturday
28. 28.If 30 July is a Friday, what day of the week is 13 August? (a) Thursday (b) Sunday (c) Friday (d) Saturday
29. 29.If 7 August is a Saturday, what day of the week is 17 August? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
30. 30.Today is Friday. What day of the week will it be after 63 days? (a) Saturday (b) Sunday (c) Friday (d) Thursday
31. 31.Today is Saturday. What day of the week will it be after 56 days? (a) Sunday (b) Friday (c) Monday (d) Saturday
32. 32.If 4 October is a Tuesday, what day of the week is 12 October? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
33. 33.If 7 March is a Tuesday, what day of the week is 23 March? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
34. 34.Today is Monday. What day of the week will it be after 51 days? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
35. 35.If 5 October is a Wednesday, what day of the week is 13 October? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
36. 36.Today is Tuesday. What day of the week will it be after 41 days? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
37. 37.If 12 August is a Tuesday, what day of the week is 24 August? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
38. 38.If 29 November is a Wednesday, what day of the week is 19 December? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
39. 39.If 7 October is a Tuesday, what day of the week is 16 October? (a) Thursday (b) Wednesday (c) Saturday (d) Friday
40. 40.Today is Monday. What day of the week will it be after 85 days? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday

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