Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 246 · 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 14 December is a Tuesday, what day of the week is 30 December? (a) Thursday (b) Friday (c) Saturday (d) Wednesday
2. 2.If 30 July is a Friday, what day of the week is 1 August? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
3. 3.If 8 July is a Friday, what day of the week is 23 July? (a) Sunday (b) Saturday (c) Friday (d) Monday
4. 4.If 12 May is a Friday, what day of the week is 23 May? (a) Tuesday (b) Wednesday (c) Thursday (d) Monday
5. 5.If 25 June is a Monday, what day of the week is 20 July? (a) Friday (b) Thursday (c) Saturday (d) Sunday
6. 6.If 13 January is a Monday, what day of the week is 21 January? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
7. 7.If 20 July is a Wednesday, what day of the week is 12 August? (a) Thursday (b) Sunday (c) Friday (d) Saturday
8. 8.If 5 March is a Saturday, what day of the week is 20 March? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
9. 9.If 13 March is a Tuesday, what day of the week is 27 March? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
10. 10.If 25 March is a Monday, what day of the week is 4 April? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
11. 11.Today is Saturday. What day of the week will it be after 56 days? (a) Monday (b) Sunday (c) Saturday (d) Friday
12. 12.Today is Sunday. What day of the week will it be after 45 days? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
13. 13.If 17 May is a Tuesday, what day of the week is 5 June? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
14. 14.Today is Friday. What day of the week will it be after 41 days? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
15. 15.Today is Tuesday. What day of the week will it be after 11 days? (a) Monday (b) Saturday (c) Friday (d) Sunday
16. 16.If 23 June is a Friday, what day of the week is 19 July? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
17. 17.If 21 October is a Friday, what day of the week is 15 November? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
18. 18.If 6 January is a Friday, what day of the week is 19 January? (a) Thursday (b) Saturday (c) Friday (d) Wednesday
19. 19.If 14 November is a Monday, what day of the week is 18 December? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
20. 20.If 11 July is a Sunday, what day of the week is 9 August? (a) Sunday (b) Monday (c) Tuesday (d) Wednesday
21. 21.If 3 May is a Saturday, what day of the week is 18 May? (a) Tuesday (b) Sunday (c) Saturday (d) Monday
22. 22.Today is Monday. What day of the week will it be after 68 days? (a) Friday (b) Monday (c) Sunday (d) Saturday
23. 23.If 12 July is a Wednesday, what day of the week is 25 July? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
24. 24.If 6 July is a Tuesday, what day of the week is 22 July? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
25. 25.Today is Sunday. What day of the week will it be after 37 days? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
26. 26.If 14 March is a Thursday, what day of the week is 24 March? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
27. 27.If 14 January is a Monday, what day of the week is 25 January? (a) Thursday (b) Friday (c) Sunday (d) Saturday
28. 28.Today is Monday. What day of the week will it be after 20 days? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
29. 29.Today is Sunday. What day of the week will it be after 49 days? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
30. 30.Today is Monday. What day of the week will it be after 21 days? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
31. 31.If 10 October is a Thursday, what day of the week is 14 November? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
32. 32.If 15 December is a Wednesday, what day of the week is 28 December? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
33. 33.If 8 July is a Thursday, what day of the week is 20 July? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
34. 34.If 15 March is a Friday, what day of the week is 28 March? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
35. 35.If 10 January is a Thursday, what day of the week is 18 January? (a) Saturday (b) Sunday (c) Thursday (d) Friday
36. 36.If 21 April is a Tuesday, what day of the week is 4 May? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
37. 37.If 15 October is a Tuesday, what day of the week is 27 October? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
38. 38.If 14 August is a Sunday, what day of the week is 14 September? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
39. 39.If 29 November is a Saturday, what day of the week is 7 December? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
40. 40.If 15 June is a Sunday, what day of the week is 12 July? (a) Monday (b) Friday (c) Saturday (d) Sunday

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