Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 820 · 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 15 July is a Monday, what day of the week is 13 August? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
2. 2.Today is Wednesday. What day of the week will it be after 43 days? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
3. 3.If 26 January is a Sunday, what day of the week is 14 February? (a) Thursday (b) Saturday (c) Friday (d) Sunday
4. 4.If 1 October is a Monday, what day of the week is 11 October? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
5. 5.If 12 July is a Tuesday, what day of the week is 27 July? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
6. 6.If 11 September is a Friday, what day of the week is 18 October? (a) Tuesday (b) Monday (c) Sunday (d) Saturday
7. 7.Today is Monday. What day of the week will it be after 43 days? (a) Tuesday (b) Thursday (c) Monday (d) Wednesday
8. 8.Today is Friday. What day of the week will it be after 46 days? (a) Tuesday (b) Wednesday (c) Monday (d) Thursday
9. 9.Today is Wednesday. What day of the week will it be after 94 days? (a) Saturday (b) Monday (c) Sunday (d) Friday
10. 10.If 6 October is a Wednesday, what day of the week is 18 October? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
11. 11.If 4 December is a Monday, what day of the week is 13 December? (a) Wednesday (b) Tuesday (c) Friday (d) Thursday
12. 12.Today is Monday. What day of the week will it be after 83 days? (a) Tuesday (b) Sunday (c) Monday (d) Saturday
13. 13.If 1 December is a Friday, what day of the week is 17 December? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
14. 14.If 11 December is a Friday, what day of the week is 25 December? (a) Saturday (b) Thursday (c) Sunday (d) Friday
15. 15.If 21 May is a Friday, what day of the week is 18 June? (a) Sunday (b) Saturday (c) Thursday (d) Friday
16. 16.If 30 August is a Tuesday, what day of the week is 7 September? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
17. 17.If 23 January is a Monday, what day of the week is 6 February? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
18. 18.If 24 August is a Friday, what day of the week is 10 September? (a) Wednesday (b) Tuesday (c) Monday (d) Sunday
19. 19.If 28 January is a Wednesday, what day of the week is 9 February? (a) Wednesday (b) Monday (c) Sunday (d) Tuesday
20. 20.If 12 August is a Friday, what day of the week is 25 August? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
21. 21.Today is Friday. What day of the week will it be after 49 days? (a) Thursday (b) Saturday (c) Sunday (d) Friday
22. 22.Today is Sunday. What day of the week will it be after 39 days? (a) Wednesday (b) Thursday (c) Friday (d) Saturday
23. 23.If 13 August is a Wednesday, what day of the week is 24 August? (a) Sunday (b) Tuesday (c) Saturday (d) Monday
24. 24.Today is Wednesday. What day of the week will it be after 32 days? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
25. 25.If 2 December is a Saturday, what day of the week is 16 December? (a) Sunday (b) Friday (c) Saturday (d) Monday
26. 26.If 8 August is a Monday, what day of the week is 20 August? (a) Friday (b) Saturday (c) Sunday (d) Monday
27. 27.If 14 September is a Wednesday, what day of the week is 3 October? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
28. 28.If 4 July is a Monday, what day of the week is 18 July? (a) Wednesday (b) Monday (c) Tuesday (d) Sunday
29. 29.If 6 January is a Sunday, what day of the week is 22 January? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
30. 30.If 13 June is a Tuesday, what day of the week is 4 July? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
31. 31.If 29 July is a Wednesday, what day of the week is 1 August? (a) Friday (b) Sunday (c) Monday (d) Saturday
32. 32.If 4 August is a Saturday, what day of the week is 14 August? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
33. 33.Today is Wednesday. What day of the week will it be after 16 days? (a) Saturday (b) Sunday (c) Friday (d) Thursday
34. 34.If 19 November is a Tuesday, what day of the week is 7 December? (a) Monday (b) Friday (c) Saturday (d) Sunday
35. 35.If 14 May is a Saturday, what day of the week is 25 May? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
36. 36.If 8 August is a Wednesday, what day of the week is 18 August? (a) Friday (b) Saturday (c) Monday (d) Sunday
37. 37.If 6 August is a Saturday, what day of the week is 16 August? (a) Tuesday (b) Wednesday (c) Thursday (d) Monday
38. 38.If 19 April is a Friday, what day of the week is 12 May? (a) Sunday (b) Tuesday (c) Saturday (d) Monday
39. 39.If 5 January is a Wednesday, what day of the week is 13 January? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
40. 40.Today is Friday. What day of the week will it be after 12 days? (a) Tuesday (b) Thursday (c) Wednesday (d) Friday

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