Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 578 · 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 Tuesday. What day of the week will it be after 24 days? (a) Sunday (b) Saturday (c) Thursday (d) Friday
2. 2.If 27 June is a Saturday, what day of the week is 2 July? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
3. 3.If 9 July is a Tuesday, what day of the week is 18 July? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
4. 4.If 11 August is a Sunday, what day of the week is 22 August? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
5. 5.If 10 March is a Thursday, what day of the week is 11 April? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
6. 6.If 13 October is a Sunday, what day of the week is 22 October? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
7. 7.If 13 March is a Tuesday, what day of the week is 27 March? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
8. 8.If 8 December is a Thursday, what day of the week is 18 December? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
9. 9.If 17 April is a Wednesday, what day of the week is 3 May? (a) Thursday (b) Sunday (c) Saturday (d) Friday
10. 10.If 26 September is a Friday, what day of the week is 9 October? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
11. 11.If 12 May is a Thursday, what day of the week is 23 May? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
12. 12.If 24 October is a Wednesday, what day of the week is 5 November? (a) Monday (b) Sunday (c) Tuesday (d) Wednesday
13. 13.If 4 July is a Wednesday, what day of the week is 17 July? (a) Tuesday (b) Thursday (c) Wednesday (d) Monday
14. 14.If 8 July is a Friday, what day of the week is 24 July? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
15. 15.Today is Friday. What day of the week will it be after 81 days? (a) Tuesday (b) Thursday (c) Wednesday (d) Monday
16. 16.If 20 March is a Tuesday, what day of the week is 20 April? (a) Saturday (b) Thursday (c) Friday (d) Sunday
17. 17.If 14 June is a Sunday, what day of the week is 16 July? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
18. 18.Today is Sunday. What day of the week will it be after 47 days? (a) Saturday (b) Thursday (c) Friday (d) Sunday
19. 19.If 4 March is a Thursday, what day of the week is 14 March? (a) Sunday (b) Saturday (c) Tuesday (d) Monday
20. 20.If 26 May is a Monday, what day of the week is 4 June? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
21. 21.If 3 March is a Saturday, what day of the week is 17 March? (a) Friday (b) Sunday (c) Monday (d) Saturday
22. 22.If 15 August is a Tuesday, what day of the week is 11 September? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
23. 23.If 1 July is a Wednesday, what day of the week is 12 July? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
24. 24.If 25 November is a Monday, what day of the week is 11 December? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
25. 25.Today is Monday. What day of the week will it be after 23 days? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
26. 26.Today is Monday. What day of the week will it be after 51 days? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
27. 27.If 20 April is a Saturday, what day of the week is 5 May? (a) Sunday (b) Saturday (c) Monday (d) Tuesday
28. 28.If 23 August is a Friday, what day of the week is 3 September? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
29. 29.If 5 March is a Saturday, what day of the week is 13 March? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
30. 30.Today is Thursday. What day of the week will it be after 80 days? (a) Monday (b) Sunday (c) Saturday (d) Tuesday
31. 31.If 9 July is a Monday, what day of the week is 24 July? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
32. 32.Today is Sunday. What day of the week will it be after 39 days? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
33. 33.If 21 April is a Wednesday, what day of the week is 4 May? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
34. 34.If 22 September is a Thursday, what day of the week is 3 October? (a) Monday (b) Tuesday (c) Sunday (d) Wednesday
35. 35.If 21 March is a Sunday, what day of the week is 14 April? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
36. 36.If 3 January is a Friday, what day of the week is 12 January? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
37. 37.If 12 March is a Saturday, what day of the week is 23 March? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
38. 38.If 27 August is a Monday, what day of the week is 9 September? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
39. 39.Today is Thursday. What day of the week will it be after 43 days? (a) Saturday (b) Thursday (c) Friday (d) Sunday
40. 40.If 28 March is a Monday, what day of the week is 5 April? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday

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