Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 809 · 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 4 October is a Friday, what day of the week is 17 October? (a) Thursday (b) Wednesday (c) Saturday (d) Friday
2. 2.If 11 January is a Tuesday, what day of the week is 23 January? (a) Saturday (b) Sunday (c) Monday (d) Tuesday
3. 3.If 12 September is a Friday, what day of the week is 5 October? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
4. 4.If 28 March is a Tuesday, what day of the week is 12 April? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
5. 5.Today is Monday. What day of the week will it be after 31 days? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
6. 6.If 15 October is a Sunday, what day of the week is 27 October? (a) Friday (b) Sunday (c) Saturday (d) Thursday
7. 7.Today is Monday. What day of the week will it be after 54 days? (a) Saturday (b) Monday (c) Friday (d) Sunday
8. 8.Today is Sunday. What day of the week will it be after 44 days? (a) Tuesday (b) Monday (c) Wednesday (d) Thursday
9. 9.If 11 December is a Sunday, what day of the week is 23 December? (a) Friday (b) Thursday (c) Saturday (d) Sunday
10. 10.If 11 July is a Monday, what day of the week is 4 August? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
11. 11.If 17 June is a Tuesday, what day of the week is 8 July? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
12. 12.If 25 March is a Friday, what day of the week is 6 April? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
13. 13.If 16 November is a Sunday, what day of the week is 16 December? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
14. 14.If 5 July is a Tuesday, what day of the week is 21 July? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
15. 15.Today is Saturday. What day of the week will it be after 79 days? (a) Monday (b) Wednesday (c) Sunday (d) Tuesday
16. 16.If 4 May is a Saturday, what day of the week is 15 May? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
17. 17.If 15 August is a Friday, what day of the week is 30 August? (a) Monday (b) Friday (c) Sunday (d) Saturday
18. 18.If 6 October is a Monday, what day of the week is 17 October? (a) Saturday (b) Thursday (c) Sunday (d) Friday
19. 19.If 27 August is a Monday, what day of the week is 3 September? (a) Wednesday (b) Tuesday (c) Sunday (d) Monday
20. 20.If 20 April is a Sunday, what day of the week is 3 May? (a) Saturday (b) Monday (c) Sunday (d) Friday
21. 21.If 14 October is a Sunday, what day of the week is 10 November? (a) Sunday (b) Friday (c) Saturday (d) Monday
22. 22.Today is Monday. What day of the week will it be after 13 days? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
23. 23.Today is Thursday. What day of the week will it be after 16 days? (a) Saturday (b) Sunday (c) Monday (d) Friday
24. 24.If 9 July is a Tuesday, what day of the week is 22 July? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
25. 25.Today is Wednesday. What day of the week will it be after 74 days? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
26. 26.If 15 December is a Tuesday, what day of the week is 28 December? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
27. 27.If 13 August is a Sunday, what day of the week is 26 August? (a) Sunday (b) Monday (c) Friday (d) Saturday
28. 28.If 9 July is a Saturday, what day of the week is 17 July? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
29. 29.If 2 August is a Thursday, what day of the week is 16 August? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
30. 30.If 30 October is a Friday, what day of the week is 4 November? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
31. 31.Today is Saturday. What day of the week will it be after 25 days? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
32. 32.If 2 January is a Monday, what day of the week is 12 January? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
33. 33.Today is Tuesday. What day of the week will it be after 80 days? (a) Saturday (b) Thursday (c) Friday (d) Sunday
34. 34.If 20 March is a Thursday, what day of the week is 14 April? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
35. 35.Today is Monday. What day of the week will it be after 88 days? (a) Sunday (b) Thursday (c) Friday (d) Saturday
36. 36.If 3 October is a Monday, what day of the week is 17 October? (a) Monday (b) Wednesday (c) Sunday (d) Tuesday
37. 37.If 2 May is a Monday, what day of the week is 10 May? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
38. 38.If 15 March is a Saturday, what day of the week is 25 March? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
39. 39.If 2 December is a Monday, what day of the week is 16 December? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
40. 40.If 14 January is a Friday, what day of the week is 26 January? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday

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