Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 223 · 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 December is a Sunday, what day of the week is 14 December? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
2. 2.If 23 July is a Monday, what day of the week is 3 August? (a) Friday (b) Saturday (c) Thursday (d) Sunday
3. 3.If 11 July is a Friday, what day of the week is 26 July? (a) Friday (b) Sunday (c) Monday (d) Saturday
4. 4.If 20 August is a Sunday, what day of the week is 2 September? (a) Sunday (b) Monday (c) Saturday (d) Friday
5. 5.If 12 March is a Sunday, what day of the week is 20 March? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
6. 6.If 8 December is a Thursday, what day of the week is 16 December? (a) Thursday (b) Saturday (c) Friday (d) Sunday
7. 7.Today is Sunday. What day of the week will it be after 98 days? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
8. 8.Today is Thursday. What day of the week will it be after 43 days? (a) Saturday (b) Thursday (c) Sunday (d) Friday
9. 9.Today is Sunday. What day of the week will it be after 16 days? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
10. 10.If 21 March is a Sunday, what day of the week is 20 April? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
11. 11.If 10 November is a Wednesday, what day of the week is 5 December? (a) Saturday (b) Sunday (c) Monday (d) Tuesday
12. 12.If 19 October is a Sunday, what day of the week is 9 November? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
13. 13.If 22 July is a Friday, what day of the week is 9 August? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday
14. 14.If 7 October is a Tuesday, what day of the week is 23 October? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
15. 15.If 4 December is a Monday, what day of the week is 13 December? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
16. 16.If 9 January is a Saturday, what day of the week is 25 January? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
17. 17.Today is Thursday. What day of the week will it be after 54 days? (a) Tuesday (b) Wednesday (c) Thursday (d) Monday
18. 18.If 12 January is a Sunday, what day of the week is 20 January? (a) Monday (b) Wednesday (c) Sunday (d) Tuesday
19. 19.If 12 November is a Wednesday, what day of the week is 10 December? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
20. 20.If 12 March is a Tuesday, what day of the week is 19 April? (a) Friday (b) Sunday (c) Thursday (d) Saturday
21. 21.If 12 August is a Saturday, what day of the week is 21 August? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
22. 22.If 21 September is a Sunday, what day of the week is 17 October? (a) Friday (b) Thursday (c) Sunday (d) Saturday
23. 23.If 1 August is a Monday, what day of the week is 15 August? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
24. 24.If 15 January is a Monday, what day of the week is 28 January? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
25. 25.If 19 July is a Wednesday, what day of the week is 9 August? (a) Wednesday (b) Tuesday (c) Thursday (d) Friday
26. 26.If 10 May is a Friday, what day of the week is 24 May? (a) Thursday (b) Friday (c) Saturday (d) Sunday
27. 27.If 12 July is a Thursday, what day of the week is 24 July? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
28. 28.If 1 July is a Sunday, what day of the week is 9 July? (a) Wednesday (b) Monday (c) Sunday (d) Tuesday
29. 29.If 1 May is a Tuesday, what day of the week is 10 May? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
30. 30.If 27 June is a Wednesday, what day of the week is 4 July? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
31. 31.Today is Monday. What day of the week will it be after 61 days? (a) Sunday (b) Saturday (c) Monday (d) Friday
32. 32.If 10 August is a Thursday, what day of the week is 20 August? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
33. 33.If 20 June is a Monday, what day of the week is 9 July? (a) Friday (b) Sunday (c) Saturday (d) Monday
34. 34.If 10 October is a Monday, what day of the week is 19 October? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
35. 35.If 30 March is a Wednesday, what day of the week is 1 April? (a) Thursday (b) Friday (c) Saturday (d) Sunday
36. 36.Today is Monday. What day of the week will it be after 89 days? (a) Saturday (b) Friday (c) Sunday (d) Monday
37. 37.If 12 August is a Friday, what day of the week is 16 September? (a) Thursday (b) Sunday (c) Friday (d) Saturday
38. 38.If 6 August is a Tuesday, what day of the week is 16 August? (a) Sunday (b) Saturday (c) Thursday (d) Friday
39. 39.If 9 December is a Thursday, what day of the week is 25 December? (a) Friday (b) Sunday (c) Saturday (d) Monday
40. 40.Today is Thursday. What day of the week will it be after 76 days? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday

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