Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 111 · 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 17 days? (a) Saturday (b) Monday (c) Sunday (d) Friday
2. 2.If 30 January is a Thursday, what day of the week is 6 February? (a) Thursday (b) Friday (c) Saturday (d) Wednesday
3. 3.If 14 December is a Tuesday, what day of the week is 27 December? (a) Sunday (b) Monday (c) Tuesday (d) Wednesday
4. 4.Today is Monday. What day of the week will it be after 57 days? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
5. 5.If 11 October is a Friday, what day of the week is 7 November? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
6. 6.If 25 October is a Saturday, what day of the week is 13 November? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
7. 7.If 22 September is a Thursday, what day of the week is 17 October? (a) Tuesday (b) Wednesday (c) Sunday (d) Monday
8. 8.Today is Saturday. What day of the week will it be after 19 days? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
9. 9.If 2 July is a Tuesday, what day of the week is 12 July? (a) Friday (b) Sunday (c) Thursday (d) Saturday
10. 10.Today is Friday. What day of the week will it be after 54 days? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
11. 11.Today is Wednesday. What day of the week will it be after 18 days? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
12. 12.Today is Sunday. What day of the week will it be after 100 days? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
13. 13.If 2 January is a Friday, what day of the week is 12 January? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
14. 14.If 6 March is a Wednesday, what day of the week is 17 March? (a) Monday (b) Sunday (c) Tuesday (d) Saturday
15. 15.If 13 October is a Thursday, what day of the week is 1 November? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
16. 16.If 12 January is a Monday, what day of the week is 19 February? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
17. 17.If 28 November is a Monday, what day of the week is 1 December? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
18. 18.If 9 October is a Tuesday, what day of the week is 20 October? (a) Saturday (b) Friday (c) Sunday (d) Monday
19. 19.If 6 August is a Saturday, what day of the week is 16 August? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
20. 20.If 2 August is a Saturday, what day of the week is 12 August? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
21. 21.Today is Saturday. What day of the week will it be after 38 days? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
22. 22.If 22 August is a Friday, what day of the week is 16 September? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
23. 23.Today is Saturday. What day of the week will it be after 37 days? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
24. 24.If 11 April is a Friday, what day of the week is 5 May? (a) Monday (b) Tuesday (c) Sunday (d) Wednesday
25. 25.If 15 March is a Monday, what day of the week is 1 April? (a) Thursday (b) Wednesday (c) Saturday (d) Friday
26. 26.If 15 March is a Wednesday, what day of the week is 23 March? (a) Thursday (b) Wednesday (c) Saturday (d) Friday
27. 27.If 14 June is a Tuesday, what day of the week is 18 July? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
28. 28.If 2 October is a Friday, what day of the week is 10 October? (a) Sunday (b) Monday (c) Saturday (d) Friday
29. 29.If 28 May is a Wednesday, what day of the week is 18 June? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
30. 30.Today is Tuesday. What day of the week will it be after 39 days? (a) Sunday (b) Saturday (c) Monday (d) Friday
31. 31.If 1 July is a Monday, what day of the week is 9 July? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
32. 32.If 10 January is a Wednesday, what day of the week is 26 January? (a) Sunday (b) Saturday (c) Thursday (d) Friday
33. 33.If 17 August is a Monday, what day of the week is 15 September? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
34. 34.If 1 July is a Sunday, what day of the week is 9 July? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
35. 35.If 3 May is a Monday, what day of the week is 17 May? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
36. 36.If 22 January is a Wednesday, what day of the week is 17 February? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
37. 37.Today is Monday. What day of the week will it be after 11 days? (a) Saturday (b) Thursday (c) Friday (d) Sunday
38. 38.If 8 January is a Saturday, what day of the week is 24 January? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
39. 39.If 27 May is a Wednesday, what day of the week is 12 June? (a) Thursday (b) Sunday (c) Saturday (d) Friday
40. 40.Today is Monday. What day of the week will it be after 83 days? (a) Saturday (b) Tuesday (c) Monday (d) Sunday

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