Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 772 · 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 Friday. What day of the week will it be after 87 days? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
2. 2.If 7 December is a Wednesday, what day of the week is 18 December? (a) Tuesday (b) Sunday (c) Saturday (d) Monday
3. 3.If 11 March is a Wednesday, what day of the week is 19 April? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
4. 4.Today is Friday. What day of the week will it be after 61 days? (a) Wednesday (b) Thursday (c) Tuesday (d) Friday
5. 5.Today is Saturday. What day of the week will it be after 75 days? (a) Wednesday (b) Thursday (c) Friday (d) Saturday
6. 6.Today is Friday. What day of the week will it be after 32 days? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
7. 7.If 15 March is a Sunday, what day of the week is 17 April? (a) Saturday (b) Friday (c) Thursday (d) Sunday
8. 8.Today is Friday. What day of the week will it be after 29 days? (a) Sunday (b) Friday (c) Saturday (d) Monday
9. 9.If 4 August is a Tuesday, what day of the week is 17 August? (a) Wednesday (b) Monday (c) Tuesday (d) Sunday
10. 10.If 13 June is a Friday, what day of the week is 14 July? (a) Monday (b) Sunday (c) Tuesday (d) Wednesday
11. 11.If 14 January is a Monday, what day of the week is 28 January? (a) Monday (b) Wednesday (c) Tuesday (d) Sunday
12. 12.If 8 December is a Sunday, what day of the week is 23 December? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
13. 13.If 4 December is a Friday, what day of the week is 20 December? (a) Tuesday (b) Sunday (c) Monday (d) Saturday
14. 14.If 12 May is a Friday, what day of the week is 24 May? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
15. 15.If 15 July is a Tuesday, what day of the week is 6 August? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
16. 16.If 30 September is a Thursday, what day of the week is 9 October? (a) Saturday (b) Sunday (c) Monday (d) Friday
17. 17.If 1 May is a Friday, what day of the week is 15 May? (a) Friday (b) Sunday (c) Saturday (d) Thursday
18. 18.If 10 March is a Sunday, what day of the week is 23 March? (a) Saturday (b) Sunday (c) Monday (d) Friday
19. 19.If 10 July is a Saturday, what day of the week is 14 August? (a) Sunday (b) Monday (c) Friday (d) Saturday
20. 20.If 4 March is a Tuesday, what day of the week is 18 March? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
21. 21.If 3 December is a Tuesday, what day of the week is 17 December? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
22. 22.If 11 July is a Thursday, what day of the week is 6 August? (a) Tuesday (b) Wednesday (c) Monday (d) Thursday
23. 23.Today is Saturday. What day of the week will it be after 66 days? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
24. 24.If 12 August is a Sunday, what day of the week is 16 September? (a) Sunday (b) Tuesday (c) Saturday (d) Monday
25. 25.If 11 October is a Saturday, what day of the week is 27 October? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
26. 26.If 11 May is a Friday, what day of the week is 22 May? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
27. 27.If 29 March is a Sunday, what day of the week is 6 April? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
28. 28.If 12 August is a Wednesday, what day of the week is 9 September? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
29. 29.If 11 November is a Monday, what day of the week is 13 December? (a) Sunday (b) Thursday (c) Friday (d) Saturday
30. 30.If 6 October is a Tuesday, what day of the week is 14 October? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
31. 31.Today is Saturday. What day of the week will it be after 17 days? (a) Tuesday (b) Monday (c) Wednesday (d) Thursday
32. 32.If 8 March is a Tuesday, what day of the week is 23 March? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
33. 33.Today is Sunday. What day of the week will it be after 55 days? (a) Sunday (b) Friday (c) Saturday (d) Monday
34. 34.If 14 June is a Friday, what day of the week is 2 July? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
35. 35.If 28 August is a Monday, what day of the week is 13 September? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
36. 36.If 20 April is a Wednesday, what day of the week is 19 May? (a) Thursday (b) Friday (c) Saturday (d) Wednesday
37. 37.If 12 December is a Thursday, what day of the week is 22 December? (a) Sunday (b) Monday (c) Tuesday (d) Saturday
38. 38.If 11 July is a Friday, what day of the week is 24 July? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
39. 39.Today is Wednesday. What day of the week will it be after 27 days? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
40. 40.Today is Friday. What day of the week will it be after 14 days? (a) Thursday (b) Sunday (c) Friday (d) Saturday

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