Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 23 · 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 31 May is a Thursday, what day of the week is 18 June? (a) Tuesday (b) Monday (c) Sunday (d) Wednesday
2. 2.Today is Sunday. What day of the week will it be after 95 days? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
3. 3.If 14 August is a Monday, what day of the week is 25 August? (a) Friday (b) Sunday (c) Saturday (d) Thursday
4. 4.Today is Monday. What day of the week will it be after 58 days? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
5. 5.Today is Wednesday. What day of the week will it be after 68 days? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
6. 6.If 15 October is a Sunday, what day of the week is 24 October? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
7. 7.If 21 October is a Sunday, what day of the week is 17 November? (a) Friday (b) Monday (c) Sunday (d) Saturday
8. 8.If 12 August is a Sunday, what day of the week is 22 August? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
9. 9.If 2 October is a Monday, what day of the week is 17 October? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
10. 10.If 5 December is a Saturday, what day of the week is 13 December? (a) Monday (b) Sunday (c) Tuesday (d) Saturday
11. 11.Today is Monday. What day of the week will it be after 68 days? (a) Monday (b) Saturday (c) Friday (d) Sunday
12. 12.Today is Tuesday. What day of the week will it be after 80 days? (a) Thursday (b) Friday (c) Saturday (d) Sunday
13. 13.Today is Tuesday. What day of the week will it be after 11 days? (a) Sunday (b) Monday (c) Saturday (d) Friday
14. 14.If 10 October is a Tuesday, what day of the week is 19 October? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
15. 15.Today is Friday. What day of the week will it be after 69 days? (a) Thursday (b) Wednesday (c) Saturday (d) Friday
16. 16.If 9 March is a Sunday, what day of the week is 20 March? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
17. 17.If 26 September is a Friday, what day of the week is 7 October? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
18. 18.If 13 March is a Wednesday, what day of the week is 4 April? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
19. 19.If 15 July is a Friday, what day of the week is 27 July? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
20. 20.If 13 March is a Sunday, what day of the week is 21 March? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
21. 21.If 13 July is a Tuesday, what day of the week is 27 July? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday
22. 22.If 15 August is a Monday, what day of the week is 29 August? (a) Monday (b) Sunday (c) Wednesday (d) Tuesday
23. 23.If 1 August is a Monday, what day of the week is 12 August? (a) Thursday (b) Sunday (c) Saturday (d) Friday
24. 24.Today is Wednesday. What day of the week will it be after 89 days? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
25. 25.Today is Wednesday. What day of the week will it be after 73 days? (a) Saturday (b) Friday (c) Sunday (d) Monday
26. 26.If 11 March is a Tuesday, what day of the week is 17 April? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
27. 27.If 3 January is a Tuesday, what day of the week is 11 January? (a) Wednesday (b) Tuesday (c) Friday (d) Thursday
28. 28.If 4 December is a Sunday, what day of the week is 20 December? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
29. 29.If 13 December is a Wednesday, what day of the week is 27 December? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
30. 30.If 17 November is a Wednesday, what day of the week is 6 December? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
31. 31.Today is Sunday. What day of the week will it be after 26 days? (a) Thursday (b) Sunday (c) Friday (d) Saturday
32. 32.If 21 November is a Tuesday, what day of the week is 12 December? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
33. 33.If 27 October is a Friday, what day of the week is 6 November? (a) Monday (b) Wednesday (c) Tuesday (d) Sunday
34. 34.If 27 May is a Tuesday, what day of the week is 12 June? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
35. 35.Today is Wednesday. What day of the week will it be after 31 days? (a) Sunday (b) Friday (c) Saturday (d) Monday
36. 36.Today is Monday. What day of the week will it be after 23 days? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
37. 37.If 1 May is a Tuesday, what day of the week is 16 May? (a) Wednesday (b) Tuesday (c) Thursday (d) Friday
38. 38.If 19 August is a Sunday, what day of the week is 7 September? (a) Sunday (b) Saturday (c) Thursday (d) Friday
39. 39.Today is Saturday. What day of the week will it be after 53 days? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
40. 40.Today is Saturday. What day of the week will it be after 58 days? (a) Wednesday (b) Monday (c) Sunday (d) Tuesday

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