Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 720 · 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 13 January is a Saturday, what day of the week is 24 January? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
2. 2.Today is Thursday. What day of the week will it be after 73 days? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
3. 3.Today is Friday. What day of the week will it be after 85 days? (a) Sunday (b) Monday (c) Friday (d) Saturday
4. 4.If 17 March is a Wednesday, what day of the week is 4 April? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
5. 5.If 8 December is a Saturday, what day of the week is 21 December? (a) Saturday (b) Sunday (c) Thursday (d) Friday
6. 6.Today is Friday. What day of the week will it be after 57 days? (a) Sunday (b) Friday (c) Saturday (d) Monday
7. 7.If 23 March is a Wednesday, what day of the week is 18 April? (a) Wednesday (b) Tuesday (c) Monday (d) Sunday
8. 8.If 1 March is a Sunday, what day of the week is 10 March? (a) Tuesday (b) Thursday (c) Wednesday (d) Monday
9. 9.Today is Friday. What day of the week will it be after 13 days? (a) Thursday (b) Wednesday (c) Friday (d) Saturday
10. 10.If 2 March is a Wednesday, what day of the week is 14 March? (a) Monday (b) Sunday (c) Wednesday (d) Tuesday
11. 11.Today is Saturday. What day of the week will it be after 47 days? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
12. 12.Today is Wednesday. What day of the week will it be after 39 days? (a) Tuesday (b) Sunday (c) Monday (d) Saturday
13. 13.Today is Thursday. What day of the week will it be after 29 days? (a) Thursday (b) Saturday (c) Sunday (d) Friday
14. 14.If 21 October is a Saturday, what day of the week is 13 November? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
15. 15.If 29 April is a Friday, what day of the week is 15 May? (a) Sunday (b) Saturday (c) Monday (d) Tuesday
16. 16.If 15 July is a Monday, what day of the week is 23 July? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
17. 17.If 20 November is a Monday, what day of the week is 19 December? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
18. 18.Today is Friday. What day of the week will it be after 77 days? (a) Saturday (b) Sunday (c) Thursday (d) Friday
19. 19.If 4 January is a Thursday, what day of the week is 12 January? (a) Saturday (b) Thursday (c) Friday (d) Sunday
20. 20.If 31 August is a Saturday, what day of the week is 5 September? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
21. 21.If 17 October is a Saturday, what day of the week is 20 November? (a) Saturday (b) Sunday (c) Thursday (d) Friday
22. 22.If 14 May is a Friday, what day of the week is 25 May? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
23. 23.If 1 December is a Wednesday, what day of the week is 16 December? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
24. 24.Today is Sunday. What day of the week will it be after 43 days? (a) Tuesday (b) Wednesday (c) Sunday (d) Monday
25. 25.If 15 April is a Thursday, what day of the week is 2 May? (a) Tuesday (b) Monday (c) Sunday (d) Saturday
26. 26.Today is Monday. What day of the week will it be after 34 days? (a) Sunday (b) Monday (c) Saturday (d) Tuesday
27. 27.Today is Tuesday. What day of the week will it be after 36 days? (a) Wednesday (b) Tuesday (c) Thursday (d) Friday
28. 28.Today is Friday. What day of the week will it be after 75 days? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
29. 29.If 22 September is a Saturday, what day of the week is 1 October? (a) Monday (b) Sunday (c) Wednesday (d) Tuesday
30. 30.If 11 October is a Wednesday, what day of the week is 4 November? (a) Sunday (b) Monday (c) Saturday (d) Friday
31. 31.If 31 May is a Saturday, what day of the week is 16 June? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
32. 32.If 25 October is a Monday, what day of the week is 3 November? (a) Wednesday (b) Thursday (c) Tuesday (d) Friday
33. 33.Today is Thursday. What day of the week will it be after 94 days? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
34. 34.If 17 May is a Monday, what day of the week is 4 June? (a) Thursday (b) Sunday (c) Saturday (d) Friday
35. 35.If 13 July is a Tuesday, what day of the week is 27 July? (a) Tuesday (b) Thursday (c) Wednesday (d) Monday
36. 36.If 10 December is a Saturday, what day of the week is 18 December? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
37. 37.If 11 October is a Wednesday, what day of the week is 24 October? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
38. 38.If 22 June is a Thursday, what day of the week is 19 July? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
39. 39.If 17 May is a Friday, what day of the week is 9 June? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
40. 40.If 11 August is a Friday, what day of the week is 25 August? (a) Thursday (b) Sunday (c) Saturday (d) Friday

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