Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 120 · 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 Sunday. What day of the week will it be after 39 days? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
2. 2.If 25 October is a Friday, what day of the week is 10 November? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
3. 3.If 9 January is a Thursday, what day of the week is 25 January? (a) Friday (b) Sunday (c) Monday (d) Saturday
4. 4.Today is Saturday. What day of the week will it be after 11 days? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
5. 5.If 14 October is a Saturday, what day of the week is 12 November? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
6. 6.If 2 March is a Sunday, what day of the week is 13 March? (a) Thursday (b) Saturday (c) Friday (d) Wednesday
7. 7.Today is Thursday. What day of the week will it be after 61 days? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
8. 8.If 27 April is a Tuesday, what day of the week is 5 May? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
9. 9.Today is Sunday. What day of the week will it be after 75 days? (a) Saturday (b) Friday (c) Sunday (d) Thursday
10. 10.If 2 December is a Sunday, what day of the week is 11 December? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
11. 11.If 8 October is a Thursday, what day of the week is 22 October? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
12. 12.If 7 October is a Saturday, what day of the week is 16 October? (a) Wednesday (b) Monday (c) Tuesday (d) Sunday
13. 13.Today is Tuesday. What day of the week will it be after 10 days? (a) Thursday (b) Saturday (c) Sunday (d) Friday
14. 14.If 20 August is a Tuesday, what day of the week is 5 September? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
15. 15.If 20 September is a Friday, what day of the week is 5 October? (a) Friday (b) Saturday (c) Monday (d) Sunday
16. 16.If 20 June is a Sunday, what day of the week is 14 July? (a) Wednesday (b) Tuesday (c) Thursday (d) Friday
17. 17.If 19 November is a Thursday, what day of the week is 19 December? (a) Sunday (b) Monday (c) Friday (d) Saturday
18. 18.If 6 March is a Saturday, what day of the week is 15 March? (a) Tuesday (b) Monday (c) Wednesday (d) Sunday
19. 19.Today is Monday. What day of the week will it be after 14 days? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
20. 20.Today is Saturday. What day of the week will it be after 74 days? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
21. 21.If 2 January is a Wednesday, what day of the week is 18 January? (a) Friday (b) Sunday (c) Thursday (d) Saturday
22. 22.If 24 November is a Thursday, what day of the week is 3 December? (a) Monday (b) Saturday (c) Friday (d) Sunday
23. 23.If 9 October is a Tuesday, what day of the week is 20 October? (a) Monday (b) Saturday (c) Friday (d) Sunday
24. 24.Today is Saturday. What day of the week will it be after 69 days? (a) Friday (b) Saturday (c) Sunday (d) Thursday
25. 25.Today is Monday. What day of the week will it be after 10 days? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
26. 26.If 15 October is a Sunday, what day of the week is 28 October? (a) Sunday (b) Monday (c) Friday (d) Saturday
27. 27.If 9 January is a Sunday, what day of the week is 23 January? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
28. 28.If 17 October is a Saturday, what day of the week is 1 November? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
29. 29.If 25 October is a Wednesday, what day of the week is 11 November? (a) Monday (b) Friday (c) Saturday (d) Sunday
30. 30.Today is Friday. What day of the week will it be after 97 days? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
31. 31.If 15 March is a Tuesday, what day of the week is 9 April? (a) Saturday (b) Friday (c) Sunday (d) Monday
32. 32.If 5 August is a Sunday, what day of the week is 18 August? (a) Friday (b) Monday (c) Saturday (d) Sunday
33. 33.If 16 August is a Sunday, what day of the week is 8 September? (a) Tuesday (b) Thursday (c) Monday (d) Wednesday
34. 34.If 10 October is a Saturday, what day of the week is 18 October? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
35. 35.Today is Sunday. What day of the week will it be after 47 days? (a) Saturday (b) Thursday (c) Sunday (d) Friday
36. 36.Today is Friday. What day of the week will it be after 45 days? (a) Wednesday (b) Tuesday (c) Monday (d) Sunday
37. 37.If 6 January is a Saturday, what day of the week is 20 January? (a) Friday (b) Saturday (c) Monday (d) Sunday
38. 38.If 9 December is a Wednesday, what day of the week is 24 December? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
39. 39.If 21 January is a Saturday, what day of the week is 14 February? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
40. 40.If 24 October is a Wednesday, what day of the week is 16 November? (a) Thursday (b) Saturday (c) Friday (d) Sunday

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