Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 722 · 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 12 August is a Monday, what day of the week is 28 August? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
2. 2.If 11 October is a Thursday, what day of the week is 19 October? (a) Thursday (b) Saturday (c) Friday (d) Sunday
3. 3.Today is Thursday. What day of the week will it be after 57 days? (a) Thursday (b) Friday (c) Sunday (d) Saturday
4. 4.If 13 January is a Friday, what day of the week is 16 February? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
5. 5.Today is Sunday. What day of the week will it be after 100 days? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
6. 6.If 11 July is a Wednesday, what day of the week is 19 July? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
7. 7.If 11 November is a Thursday, what day of the week is 14 December? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
8. 8.If 14 August is a Wednesday, what day of the week is 23 August? (a) Friday (b) Sunday (c) Thursday (d) Saturday
9. 9.If 21 March is a Tuesday, what day of the week is 3 April? (a) Monday (b) Wednesday (c) Sunday (d) Tuesday
10. 10.If 8 May is a Wednesday, what day of the week is 17 May? (a) Sunday (b) Thursday (c) Friday (d) Saturday
11. 11.Today is Tuesday. What day of the week will it be after 84 days? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
12. 12.Today is Wednesday. What day of the week will it be after 30 days? (a) Saturday (b) Thursday (c) Friday (d) Sunday
13. 13.If 26 October is a Wednesday, what day of the week is 10 November? (a) Friday (b) Thursday (c) Wednesday (d) Saturday
14. 14.If 11 March is a Friday, what day of the week is 7 April? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
15. 15.If 3 May is a Wednesday, what day of the week is 12 May? (a) Saturday (b) Thursday (c) Sunday (d) Friday
16. 16.Today is Monday. What day of the week will it be after 53 days? (a) Saturday (b) Thursday (c) Sunday (d) Friday
17. 17.Today is Thursday. What day of the week will it be after 85 days? (a) Thursday (b) Saturday (c) Friday (d) Sunday
18. 18.If 13 December is a Monday, what day of the week is 28 December? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
19. 19.If 30 August is a Tuesday, what day of the week is 12 September? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
20. 20.Today is Tuesday. What day of the week will it be after 28 days? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
21. 21.If 14 October is a Sunday, what day of the week is 26 October? (a) Friday (b) Sunday (c) Saturday (d) Thursday
22. 22.If 4 March is a Thursday, what day of the week is 17 March? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
23. 23.Today is Tuesday. What day of the week will it be after 58 days? (a) Saturday (b) Wednesday (c) Friday (d) Thursday
24. 24.If 17 July is a Tuesday, what day of the week is 14 August? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
25. 25.If 11 March is a Tuesday, what day of the week is 25 March? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
26. 26.Today is Sunday. What day of the week will it be after 21 days? (a) Sunday (b) Saturday (c) Tuesday (d) Monday
27. 27.If 5 January is a Sunday, what day of the week is 16 January? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
28. 28.If 25 March is a Wednesday, what day of the week is 11 April? (a) Friday (b) Monday (c) Sunday (d) Saturday
29. 29.If 5 October is a Wednesday, what day of the week is 15 October? (a) Monday (b) Saturday (c) Sunday (d) Friday
30. 30.If 3 October is a Wednesday, what day of the week is 11 October? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
31. 31.If 10 November is a Friday, what day of the week is 17 December? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
32. 32.Today is Thursday. What day of the week will it be after 32 days? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
33. 33.If 3 January is a Thursday, what day of the week is 13 January? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
34. 34.If 16 April is a Friday, what day of the week is 18 May? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
35. 35.If 15 July is a Tuesday, what day of the week is 27 July? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
36. 36.If 12 August is a Saturday, what day of the week is 20 August? (a) Tuesday (b) Monday (c) Sunday (d) Saturday
37. 37.If 10 July is a Monday, what day of the week is 6 August? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
38. 38.If 6 October is a Tuesday, what day of the week is 16 October? (a) Sunday (b) Friday (c) Saturday (d) Thursday
39. 39.If 11 March is a Friday, what day of the week is 1 April? (a) Friday (b) Thursday (c) Sunday (d) Saturday
40. 40.Today is Wednesday. What day of the week will it be after 84 days? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday

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