Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 568 · 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 Monday. What day of the week will it be after 13 days? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
2. 2.If 27 November is a Monday, what day of the week is 2 December? (a) Friday (b) Sunday (c) Monday (d) Saturday
3. 3.Today is Friday. What day of the week will it be after 15 days? (a) Sunday (b) Saturday (c) Friday (d) Monday
4. 4.If 30 November is a Friday, what day of the week is 3 December? (a) Wednesday (b) Monday (c) Tuesday (d) Sunday
5. 5.Today is Monday. What day of the week will it be after 64 days? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
6. 6.Today is Sunday. What day of the week will it be after 59 days? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
7. 7.If 7 October is a Friday, what day of the week is 22 October? (a) Saturday (b) Sunday (c) Monday (d) Friday
8. 8.If 9 March is a Wednesday, what day of the week is 24 March? (a) Thursday (b) Wednesday (c) Saturday (d) Friday
9. 9.If 28 June is a Thursday, what day of the week is 6 July? (a) Saturday (b) Thursday (c) Friday (d) Sunday
10. 10.If 14 July is a Wednesday, what day of the week is 26 July? (a) Wednesday (b) Monday (c) Tuesday (d) Sunday
11. 11.If 18 April is a Monday, what day of the week is 7 May? (a) Sunday (b) Monday (c) Saturday (d) Friday
12. 12.If 7 July is a Saturday, what day of the week is 18 July? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
13. 13.Today is Monday. What day of the week will it be after 57 days? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
14. 14.Today is Saturday. What day of the week will it be after 80 days? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
15. 15.If 2 May is a Tuesday, what day of the week is 18 May? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
16. 16.Today is Wednesday. What day of the week will it be after 57 days? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
17. 17.If 13 May is a Friday, what day of the week is 22 May? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
18. 18.Today is Sunday. What day of the week will it be after 88 days? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
19. 19.If 2 October is a Thursday, what day of the week is 15 October? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
20. 20.If 4 August is a Monday, what day of the week is 18 August? (a) Monday (b) Sunday (c) Wednesday (d) Tuesday
21. 21.Today is Wednesday. What day of the week will it be after 41 days? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
22. 22.If 13 October is a Wednesday, what day of the week is 28 October? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
23. 23.Today is Friday. What day of the week will it be after 21 days? (a) Thursday (b) Friday (c) Sunday (d) Saturday
24. 24.If 13 September is a Tuesday, what day of the week is 7 October? (a) Thursday (b) Friday (c) Sunday (d) Saturday
25. 25.If 8 October is a Monday, what day of the week is 24 October? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
26. 26.If 13 October is a Tuesday, what day of the week is 29 October? (a) Thursday (b) Wednesday (c) Friday (d) Saturday
27. 27.If 7 May is a Monday, what day of the week is 16 May? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
28. 28.If 6 December is a Thursday, what day of the week is 14 December? (a) Friday (b) Sunday (c) Saturday (d) Thursday
29. 29.If 15 June is a Thursday, what day of the week is 3 July? (a) Tuesday (b) Wednesday (c) Sunday (d) Monday
30. 30.Today is Saturday. What day of the week will it be after 48 days? (a) Saturday (b) Thursday (c) Sunday (d) Friday
31. 31.If 4 October is a Tuesday, what day of the week is 18 October? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
32. 32.Today is Sunday. What day of the week will it be after 36 days? (a) Tuesday (b) Wednesday (c) Sunday (d) Monday
33. 33.If 25 September is a Monday, what day of the week is 18 October? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
34. 34.If 18 April is a Friday, what day of the week is 8 May? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
35. 35.If 9 October is a Sunday, what day of the week is 24 October? (a) Tuesday (b) Monday (c) Wednesday (d) Sunday
36. 36.Today is Sunday. What day of the week will it be after 75 days? (a) Friday (b) Sunday (c) Thursday (d) Saturday
37. 37.Today is Friday. What day of the week will it be after 97 days? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
38. 38.If 1 January is a Monday, what day of the week is 16 January? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
39. 39.If 4 May is a Tuesday, what day of the week is 14 May? (a) Friday (b) Thursday (c) Saturday (d) Sunday
40. 40.If 3 July is a Tuesday, what day of the week is 18 July? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday

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