Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 985 · 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 3 October is a Sunday, what day of the week is 13 October? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
2. 2.If 1 May is a Sunday, what day of the week is 17 May? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
3. 3.If 10 March is a Sunday, what day of the week is 25 March? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
4. 4.If 15 March is a Tuesday, what day of the week is 23 March? (a) Wednesday (b) Tuesday (c) Friday (d) Thursday
5. 5.If 12 March is a Sunday, what day of the week is 26 March? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
6. 6.If 4 March is a Friday, what day of the week is 13 March? (a) Sunday (b) Monday (c) Tuesday (d) Saturday
7. 7.If 12 March is a Saturday, what day of the week is 5 April? (a) Tuesday (b) Wednesday (c) Monday (d) Thursday
8. 8.If 22 October is a Wednesday, what day of the week is 13 November? (a) Saturday (b) Wednesday (c) Friday (d) Thursday
9. 9.If 20 July is a Tuesday, what day of the week is 13 August? (a) Thursday (b) Friday (c) Sunday (d) Saturday
10. 10.If 7 May is a Friday, what day of the week is 18 May? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
11. 11.If 15 May is a Saturday, what day of the week is 27 May? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
12. 12.If 17 May is a Tuesday, what day of the week is 2 June? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
13. 13.If 1 December is a Wednesday, what day of the week is 15 December? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
14. 14.Today is Tuesday. What day of the week will it be after 71 days? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
15. 15.Today is Thursday. What day of the week will it be after 68 days? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
16. 16.Today is Thursday. What day of the week will it be after 61 days? (a) Wednesday (b) Tuesday (c) Thursday (d) Monday
17. 17.Today is Monday. What day of the week will it be after 34 days? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
18. 18.Today is Saturday. What day of the week will it be after 65 days? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
19. 19.If 6 March is a Wednesday, what day of the week is 14 March? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
20. 20.If 3 July is a Tuesday, what day of the week is 14 July? (a) Monday (b) Friday (c) Saturday (d) Sunday
21. 21.If 12 March is a Saturday, what day of the week is 8 April? (a) Saturday (b) Friday (c) Thursday (d) Sunday
22. 22.If 5 July is a Wednesday, what day of the week is 16 July? (a) Sunday (b) Monday (c) Saturday (d) Tuesday
23. 23.If 11 January is a Friday, what day of the week is 11 February? (a) Monday (b) Wednesday (c) Sunday (d) Tuesday
24. 24.If 4 December is a Sunday, what day of the week is 12 December? (a) Monday (b) Wednesday (c) Sunday (d) Tuesday
25. 25.If 25 April is a Sunday, what day of the week is 7 May? (a) Sunday (b) Friday (c) Thursday (d) Saturday
26. 26.If 23 November is a Sunday, what day of the week is 19 December? (a) Sunday (b) Saturday (c) Friday (d) Thursday
27. 27.If 26 January is a Friday, what day of the week is 7 February? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
28. 28.If 16 April is a Wednesday, what day of the week is 14 May? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
29. 29.Today is Thursday. What day of the week will it be after 55 days? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
30. 30.If 11 August is a Friday, what day of the week is 20 August? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
31. 31.If 28 January is a Wednesday, what day of the week is 2 February? (a) Monday (b) Wednesday (c) Tuesday (d) Sunday
32. 32.If 13 October is a Friday, what day of the week is 26 October? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
33. 33.If 7 August is a Friday, what day of the week is 22 August? (a) Monday (b) Saturday (c) Friday (d) Sunday
34. 34.If 7 December is a Sunday, what day of the week is 21 December? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
35. 35.If 11 January is a Monday, what day of the week is 21 January? (a) Wednesday (b) Thursday (c) Friday (d) Saturday
36. 36.If 17 June is a Friday, what day of the week is 7 July? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
37. 37.If 22 September is a Thursday, what day of the week is 6 October? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
38. 38.If 10 October is a Tuesday, what day of the week is 19 October? (a) Thursday (b) Saturday (c) Friday (d) Wednesday
39. 39.If 9 August is a Friday, what day of the week is 21 August? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
40. 40.If 6 July is a Tuesday, what day of the week is 14 July? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday

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