Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 110 · 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 26 September is a Thursday, what day of the week is 7 October? (a) Tuesday (b) Monday (c) Sunday (d) Wednesday
2. 2.Today is Sunday. What day of the week will it be after 25 days? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
3. 3.If 17 October is a Sunday, what day of the week is 2 November? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
4. 4.Today is Wednesday. What day of the week will it be after 56 days? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
5. 5.If 23 September is a Sunday, what day of the week is 13 October? (a) Sunday (b) Saturday (c) Friday (d) Monday
6. 6.If 10 January is a Monday, what day of the week is 18 January? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
7. 7.Today is Thursday. What day of the week will it be after 81 days? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
8. 8.If 9 January is a Wednesday, what day of the week is 20 January? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
9. 9.If 5 August is a Friday, what day of the week is 20 August? (a) Monday (b) Friday (c) Saturday (d) Sunday
10. 10.If 4 December is a Tuesday, what day of the week is 14 December? (a) Saturday (b) Thursday (c) Sunday (d) Friday
11. 11.If 14 May is a Tuesday, what day of the week is 23 May? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
12. 12.If 18 April is a Friday, what day of the week is 10 May? (a) Saturday (b) Monday (c) Friday (d) Sunday
13. 13.If 4 December is a Sunday, what day of the week is 20 December? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
14. 14.Today is Wednesday. What day of the week will it be after 16 days? (a) Thursday (b) Saturday (c) Sunday (d) Friday
15. 15.Today is Friday. What day of the week will it be after 55 days? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
16. 16.Today is Wednesday. What day of the week will it be after 59 days? (a) Monday (b) Friday (c) Saturday (d) Sunday
17. 17.If 21 September is a Sunday, what day of the week is 15 October? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
18. 18.If 23 November is a Tuesday, what day of the week is 16 December? (a) Thursday (b) Friday (c) Saturday (d) Wednesday
19. 19.If 21 August is a Wednesday, what day of the week is 20 September? (a) Friday (b) Sunday (c) Thursday (d) Saturday
20. 20.If 16 June is a Thursday, what day of the week is 16 July? (a) Sunday (b) Monday (c) Saturday (d) Friday
21. 21.If 21 October is a Wednesday, what day of the week is 4 November? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
22. 22.If 9 May is a Tuesday, what day of the week is 18 May? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
23. 23.Today is Saturday. What day of the week will it be after 17 days? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
24. 24.If 2 January is a Wednesday, what day of the week is 10 January? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
25. 25.If 24 November is a Sunday, what day of the week is 2 December? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
26. 26.If 11 October is a Saturday, what day of the week is 4 November? (a) Tuesday (b) Wednesday (c) Monday (d) Thursday
27. 27.Today is Monday. What day of the week will it be after 65 days? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
28. 28.Today is Thursday. What day of the week will it be after 32 days? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
29. 29.Today is Wednesday. What day of the week will it be after 80 days? (a) Sunday (b) Friday (c) Monday (d) Saturday
30. 30.If 5 January is a Tuesday, what day of the week is 13 January? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
31. 31.Today is Thursday. What day of the week will it be after 64 days? (a) Saturday (b) Thursday (c) Sunday (d) Friday
32. 32.Today is Wednesday. What day of the week will it be after 20 days? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
33. 33.If 9 August is a Friday, what day of the week is 23 August? (a) Saturday (b) Friday (c) Sunday (d) Thursday
34. 34.If 16 July is a Friday, what day of the week is 2 August? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
35. 35.If 13 July is a Sunday, what day of the week is 24 July? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
36. 36.If 5 May is a Saturday, what day of the week is 16 May? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
37. 37.If 5 May is a Tuesday, what day of the week is 14 May? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
38. 38.If 8 July is a Wednesday, what day of the week is 16 July? (a) Wednesday (b) Thursday (c) Friday (d) Saturday
39. 39.If 13 September is a Tuesday, what day of the week is 5 October? (a) Wednesday (b) Tuesday (c) Thursday (d) Friday
40. 40.If 14 March is a Wednesday, what day of the week is 13 April? (a) Saturday (b) Friday (c) Sunday (d) Thursday

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