Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 950 · 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 Thursday. What day of the week will it be after 61 days? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
2. 2.If 22 October is a Tuesday, what day of the week is 9 November? (a) Saturday (b) Sunday (c) Friday (d) Monday
3. 3.If 15 July is a Thursday, what day of the week is 28 July? (a) Wednesday (b) Thursday (c) Tuesday (d) Friday
4. 4.If 15 December is a Thursday, what day of the week is 23 December? (a) Sunday (b) Saturday (c) Friday (d) Thursday
5. 5.Today is Sunday. What day of the week will it be after 28 days? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
6. 6.If 10 May is a Monday, what day of the week is 18 June? (a) Friday (b) Thursday (c) Sunday (d) Saturday
7. 7.If 11 January is a Wednesday, what day of the week is 13 February? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
8. 8.If 12 August is a Sunday, what day of the week is 7 September? (a) Sunday (b) Thursday (c) Friday (d) Saturday
9. 9.If 13 November is a Monday, what day of the week is 19 December? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday
10. 10.Today is Saturday. What day of the week will it be after 23 days? (a) Sunday (b) Monday (c) Tuesday (d) Wednesday
11. 11.Today is Tuesday. What day of the week will it be after 24 days? (a) Saturday (b) Sunday (c) Friday (d) Thursday
12. 12.If 10 January is a Tuesday, what day of the week is 16 February? (a) Thursday (b) Saturday (c) Friday (d) Wednesday
13. 13.If 11 January is a Wednesday, what day of the week is 19 January? (a) Thursday (b) Wednesday (c) Saturday (d) Friday
14. 14.If 24 September is a Friday, what day of the week is 17 October? (a) Sunday (b) Tuesday (c) Saturday (d) Monday
15. 15.If 15 July is a Friday, what day of the week is 27 July? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
16. 16.If 20 January is a Friday, what day of the week is 16 February? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
17. 17.If 15 May is a Monday, what day of the week is 27 May? (a) Friday (b) Monday (c) Sunday (d) Saturday
18. 18.If 10 October is a Tuesday, what day of the week is 18 October? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
19. 19.If 5 May is a Monday, what day of the week is 14 May? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
20. 20.If 13 December is a Wednesday, what day of the week is 24 December? (a) Sunday (b) Tuesday (c) Saturday (d) Monday
21. 21.If 29 September is a Monday, what day of the week is 10 October? (a) Thursday (b) Saturday (c) Sunday (d) Friday
22. 22.If 23 October is a Tuesday, what day of the week is 15 November? (a) Thursday (b) Saturday (c) Friday (d) Wednesday
23. 23.If 16 August is a Thursday, what day of the week is 16 September? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
24. 24.If 23 September is a Friday, what day of the week is 3 October? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
25. 25.Today is Monday. What day of the week will it be after 12 days? (a) Monday (b) Sunday (c) Friday (d) Saturday
26. 26.Today is Sunday. What day of the week will it be after 54 days? (a) Friday (b) Saturday (c) Thursday (d) Sunday
27. 27.If 2 July is a Tuesday, what day of the week is 17 July? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
28. 28.If 22 August is a Friday, what day of the week is 6 September? (a) Friday (b) Saturday (c) Monday (d) Sunday
29. 29.If 5 January is a Saturday, what day of the week is 19 January? (a) Monday (b) Friday (c) Sunday (d) Saturday
30. 30.If 4 October is a Wednesday, what day of the week is 20 October? (a) Thursday (b) Sunday (c) Friday (d) Saturday
31. 31.If 7 January is a Wednesday, what day of the week is 19 January? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
32. 32.Today is Tuesday. What day of the week will it be after 99 days? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
33. 33.Today is Thursday. What day of the week will it be after 59 days? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
34. 34.Today is Monday. What day of the week will it be after 18 days? (a) Friday (b) Thursday (c) Sunday (d) Saturday
35. 35.If 12 October is a Sunday, what day of the week is 20 October? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
36. 36.If 3 December is a Monday, what day of the week is 13 December? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
37. 37.If 2 March is a Thursday, what day of the week is 13 March? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
38. 38.If 19 March is a Wednesday, what day of the week is 10 April? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
39. 39.If 4 August is a Monday, what day of the week is 17 August? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
40. 40.If 5 December is a Friday, what day of the week is 20 December? (a) Sunday (b) Monday (c) Saturday (d) Friday

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