Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 920 · 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 52 days? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
2. 2.If 13 December is a Tuesday, what day of the week is 22 December? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
3. 3.If 18 July is a Friday, what day of the week is 5 August? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
4. 4.If 19 September is a Wednesday, what day of the week is 12 October? (a) Sunday (b) Saturday (c) Friday (d) Thursday
5. 5.If 23 September is a Saturday, what day of the week is 3 October? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
6. 6.If 5 January is a Friday, what day of the week is 13 January? (a) Sunday (b) Friday (c) Monday (d) Saturday
7. 7.If 7 March is a Wednesday, what day of the week is 16 March? (a) Thursday (b) Saturday (c) Sunday (d) Friday
8. 8.If 7 March is a Monday, what day of the week is 23 March? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
9. 9.Today is Thursday. What day of the week will it be after 30 days? (a) Sunday (b) Saturday (c) Friday (d) Monday
10. 10.If 15 June is a Friday, what day of the week is 6 July? (a) Friday (b) Saturday (c) Sunday (d) Thursday
11. 11.If 10 October is a Monday, what day of the week is 18 October? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
12. 12.If 10 May is a Thursday, what day of the week is 21 May? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
13. 13.If 5 October is a Thursday, what day of the week is 17 October? (a) Tuesday (b) Thursday (c) Monday (d) Wednesday
14. 14.If 11 October is a Tuesday, what day of the week is 21 October? (a) Sunday (b) Friday (c) Thursday (d) Saturday
15. 15.Today is Sunday. What day of the week will it be after 32 days? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
16. 16.If 7 August is a Monday, what day of the week is 20 August? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
17. 17.If 3 August is a Saturday, what day of the week is 12 August? (a) Monday (b) Wednesday (c) Tuesday (d) Sunday
18. 18.If 7 March is a Monday, what day of the week is 20 March? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
19. 19.If 10 May is a Monday, what day of the week is 22 May? (a) Friday (b) Monday (c) Sunday (d) Saturday
20. 20.If 14 June is a Friday, what day of the week is 3 July? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
21. 21.If 12 March is a Wednesday, what day of the week is 4 April? (a) Saturday (b) Thursday (c) Friday (d) Sunday
22. 22.If 19 July is a Thursday, what day of the week is 10 August? (a) Sunday (b) Thursday (c) Saturday (d) Friday
23. 23.If 21 January is a Friday, what day of the week is 9 February? (a) Wednesday (b) Friday (c) Thursday (d) Tuesday
24. 24.If 3 October is a Tuesday, what day of the week is 13 October? (a) Sunday (b) Thursday (c) Friday (d) Saturday
25. 25.Today is Monday. What day of the week will it be after 84 days? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
26. 26.Today is Thursday. What day of the week will it be after 26 days? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
27. 27.If 13 July is a Sunday, what day of the week is 3 August? (a) Sunday (b) Tuesday (c) Saturday (d) Monday
28. 28.If 9 October is a Tuesday, what day of the week is 20 October? (a) Sunday (b) Monday (c) Friday (d) Saturday
29. 29.If 13 September is a Thursday, what day of the week is 11 October? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
30. 30.If 6 January is a Thursday, what day of the week is 22 January? (a) Monday (b) Sunday (c) Friday (d) Saturday
31. 31.If 15 January is a Monday, what day of the week is 23 January? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
32. 32.If 8 January is a Monday, what day of the week is 18 January? (a) Thursday (b) Saturday (c) Wednesday (d) Friday
33. 33.If 14 March is a Sunday, what day of the week is 10 April? (a) Friday (b) Saturday (c) Monday (d) Sunday
34. 34.If 2 July is a Sunday, what day of the week is 16 July? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
35. 35.If 12 March is a Sunday, what day of the week is 28 March? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
36. 36.Today is Monday. What day of the week will it be after 64 days? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
37. 37.Today is Sunday. What day of the week will it be after 61 days? (a) Sunday (b) Thursday (c) Saturday (d) Friday
38. 38.If 11 January is a Friday, what day of the week is 25 January? (a) Friday (b) Saturday (c) Sunday (d) Thursday
39. 39.If 5 July is a Thursday, what day of the week is 14 July? (a) Saturday (b) Sunday (c) Friday (d) Monday
40. 40.If 8 May is a Saturday, what day of the week is 17 May? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday

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