Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 917 · 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 Wednesday. What day of the week will it be after 12 days? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
2. 2.Today is Monday. What day of the week will it be after 37 days? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
3. 3.Today is Sunday. What day of the week will it be after 23 days? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
4. 4.If 14 August is a Wednesday, what day of the week is 30 August? (a) Saturday (b) Friday (c) Sunday (d) Thursday
5. 5.If 12 July is a Monday, what day of the week is 27 July? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
6. 6.If 1 January is a Saturday, what day of the week is 12 January? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
7. 7.If 13 March is a Monday, what day of the week is 28 March? (a) Wednesday (b) Tuesday (c) Thursday (d) Monday
8. 8.If 19 January is a Monday, what day of the week is 4 February? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
9. 9.If 26 September is a Monday, what day of the week is 1 October? (a) Monday (b) Friday (c) Sunday (d) Saturday
10. 10.Today is Wednesday. What day of the week will it be after 67 days? (a) Sunday (b) Monday (c) Tuesday (d) Saturday
11. 11.Today is Monday. What day of the week will it be after 93 days? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
12. 12.Today is Thursday. What day of the week will it be after 21 days? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
13. 13.If 2 January is a Sunday, what day of the week is 16 January? (a) Sunday (b) Saturday (c) Tuesday (d) Monday
14. 14.If 7 March is a Monday, what day of the week is 15 March? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
15. 15.If 7 July is a Thursday, what day of the week is 20 July? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
16. 16.If 1 October is a Saturday, what day of the week is 11 October? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
17. 17.If 5 August is a Friday, what day of the week is 14 August? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
18. 18.Today is Wednesday. What day of the week will it be after 37 days? (a) Thursday (b) Sunday (c) Friday (d) Saturday
19. 19.If 9 August is a Wednesday, what day of the week is 21 August? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
20. 20.Today is Monday. What day of the week will it be after 84 days? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
21. 21.If 2 October is a Friday, what day of the week is 11 October? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
22. 22.If 5 October is a Sunday, what day of the week is 21 October? (a) Wednesday (b) Tuesday (c) Thursday (d) Monday
23. 23.Today is Wednesday. What day of the week will it be after 70 days? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
24. 24.If 30 September is a Wednesday, what day of the week is 5 October? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
25. 25.If 13 December is a Thursday, what day of the week is 22 December? (a) Friday (b) Sunday (c) Monday (d) Saturday
26. 26.Today is Thursday. What day of the week will it be after 87 days? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
27. 27.Today is Saturday. What day of the week will it be after 39 days? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
28. 28.Today is Sunday. What day of the week will it be after 67 days? (a) Thursday (b) Saturday (c) Wednesday (d) Friday
29. 29.If 2 August is a Saturday, what day of the week is 10 August? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
30. 30.Today is Thursday. What day of the week will it be after 89 days? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
31. 31.If 23 January is a Tuesday, what day of the week is 1 February? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
32. 32.If 15 January is a Tuesday, what day of the week is 5 February? (a) Tuesday (b) Thursday (c) Monday (d) Wednesday
33. 33.If 17 November is a Tuesday, what day of the week is 1 December? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
34. 34.If 22 November is a Tuesday, what day of the week is 12 December? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
35. 35.If 16 November is a Saturday, what day of the week is 10 December? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
36. 36.If 13 August is a Thursday, what day of the week is 26 August? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
37. 37.If 9 March is a Thursday, what day of the week is 23 March? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
38. 38.Today is Wednesday. What day of the week will it be after 64 days? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
39. 39.If 13 August is a Tuesday, what day of the week is 24 August? (a) Friday (b) Sunday (c) Monday (d) Saturday
40. 40.If 13 August is a Friday, what day of the week is 23 August? (a) Tuesday (b) Wednesday (c) Sunday (d) Monday

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