Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 804 · 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 21 November is a Monday, what day of the week is 4 December? (a) Sunday (b) Saturday (c) Tuesday (d) Monday
2. 2.If 31 March is a Thursday, what day of the week is 16 April? (a) Monday (b) Friday (c) Sunday (d) Saturday
3. 3.If 3 October is a Wednesday, what day of the week is 16 October? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
4. 4.Today is Sunday. What day of the week will it be after 100 days? (a) Tuesday (b) Monday (c) Wednesday (d) Thursday
5. 5.If 1 May is a Tuesday, what day of the week is 16 May? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
6. 6.Today is Monday. What day of the week will it be after 40 days? (a) Sunday (b) Saturday (c) Monday (d) Friday
7. 7.Today is Monday. What day of the week will it be after 27 days? (a) Monday (b) Sunday (c) Tuesday (d) Saturday
8. 8.If 10 March is a Saturday, what day of the week is 8 April? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
9. 9.If 23 January is a Monday, what day of the week is 20 February? (a) Monday (b) Tuesday (c) Sunday (d) Wednesday
10. 10.If 10 January is a Tuesday, what day of the week is 17 February? (a) Friday (b) Thursday (c) Saturday (d) Sunday
11. 11.If 12 January is a Wednesday, what day of the week is 20 January? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
12. 12.Today is Tuesday. What day of the week will it be after 16 days? (a) Thursday (b) Saturday (c) Friday (d) Wednesday
13. 13.If 13 January is a Saturday, what day of the week is 21 January? (a) Tuesday (b) Sunday (c) Monday (d) Saturday
14. 14.If 14 November is a Friday, what day of the week is 3 December? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
15. 15.If 8 August is a Tuesday, what day of the week is 20 August? (a) Sunday (b) Tuesday (c) Monday (d) Saturday
16. 16.If 11 April is a Saturday, what day of the week is 1 May? (a) Friday (b) Sunday (c) Thursday (d) Saturday
17. 17.If 9 May is a Monday, what day of the week is 24 May? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
18. 18.If 9 January is a Sunday, what day of the week is 22 January? (a) Saturday (b) Monday (c) Friday (d) Sunday
19. 19.If 22 June is a Sunday, what day of the week is 11 July? (a) Saturday (b) Sunday (c) Friday (d) Thursday
20. 20.If 10 March is a Friday, what day of the week is 12 April? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
21. 21.If 13 May is a Thursday, what day of the week is 28 May? (a) Thursday (b) Friday (c) Saturday (d) Sunday
22. 22.If 9 December is a Friday, what day of the week is 22 December? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
23. 23.If 15 August is a Saturday, what day of the week is 10 September? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
24. 24.Today is Thursday. What day of the week will it be after 82 days? (a) Tuesday (b) Wednesday (c) Monday (d) Thursday
25. 25.If 3 October is a Wednesday, what day of the week is 11 October? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
26. 26.If 16 January is a Wednesday, what day of the week is 15 February? (a) Saturday (b) Sunday (c) Thursday (d) Friday
27. 27.If 5 August is a Wednesday, what day of the week is 21 August? (a) Sunday (b) Friday (c) Saturday (d) Thursday
28. 28.If 15 May is a Saturday, what day of the week is 29 May? (a) Monday (b) Friday (c) Sunday (d) Saturday
29. 29.If 22 September is a Monday, what day of the week is 3 October? (a) Friday (b) Sunday (c) Saturday (d) Thursday
30. 30.Today is Tuesday. What day of the week will it be after 28 days? (a) Wednesday (b) Tuesday (c) Thursday (d) Monday
31. 31.If 11 December is a Friday, what day of the week is 27 December? (a) Tuesday (b) Monday (c) Sunday (d) Saturday
32. 32.If 19 August is a Monday, what day of the week is 14 September? (a) Saturday (b) Monday (c) Sunday (d) Friday
33. 33.If 17 July is a Wednesday, what day of the week is 16 August? (a) Friday (b) Thursday (c) Saturday (d) Sunday
34. 34.If 26 January is a Sunday, what day of the week is 3 February? (a) Tuesday (b) Wednesday (c) Sunday (d) Monday
35. 35.If 9 December is a Tuesday, what day of the week is 21 December? (a) Sunday (b) Saturday (c) Tuesday (d) Monday
36. 36.If 30 May is a Sunday, what day of the week is 15 June? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
37. 37.If 24 March is a Friday, what day of the week is 11 April? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday
38. 38.If 4 July is a Saturday, what day of the week is 14 July? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
39. 39.If 10 June is a Wednesday, what day of the week is 18 July? (a) Friday (b) Monday (c) Saturday (d) Sunday
40. 40.If 1 August is a Thursday, what day of the week is 13 August? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday

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