Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 280 · 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 Friday. What day of the week will it be after 29 days? (a) Friday (b) Sunday (c) Monday (d) Saturday
2. 2.If 10 August is a Friday, what day of the week is 18 August? (a) Sunday (b) Saturday (c) Friday (d) Monday
3. 3.If 4 December is a Friday, what day of the week is 13 December? (a) Sunday (b) Monday (c) Tuesday (d) Saturday
4. 4.If 21 June is a Wednesday, what day of the week is 11 July? (a) Wednesday (b) Tuesday (c) Thursday (d) Monday
5. 5.If 13 August is a Tuesday, what day of the week is 21 August? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
6. 6.If 22 June is a Wednesday, what day of the week is 14 July? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
7. 7.Today is Wednesday. What day of the week will it be after 42 days? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
8. 8.If 1 August is a Sunday, what day of the week is 11 August? (a) Wednesday (b) Tuesday (c) Thursday (d) Friday
9. 9.If 16 August is a Wednesday, what day of the week is 1 September? (a) Thursday (b) Saturday (c) Sunday (d) Friday
10. 10.If 22 May is a Tuesday, what day of the week is 11 June? (a) Wednesday (b) Monday (c) Sunday (d) Tuesday
11. 11.Today is Thursday. What day of the week will it be after 82 days? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
12. 12.If 10 July is a Friday, what day of the week is 4 August? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday
13. 13.Today is Friday. What day of the week will it be after 58 days? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
14. 14.If 31 July is a Tuesday, what day of the week is 7 August? (a) Tuesday (b) Wednesday (c) Thursday (d) Monday
15. 15.If 18 July is a Monday, what day of the week is 12 August? (a) Friday (b) Sunday (c) Saturday (d) Thursday
16. 16.If 15 May is a Sunday, what day of the week is 24 May? (a) Tuesday (b) Thursday (c) Wednesday (d) Monday
17. 17.Today is Saturday. What day of the week will it be after 55 days? (a) Saturday (b) Friday (c) Sunday (d) Thursday
18. 18.Today is Wednesday. What day of the week will it be after 68 days? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
19. 19.If 1 December is a Tuesday, what day of the week is 10 December? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
20. 20.If 14 October is a Tuesday, what day of the week is 6 November? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
21. 21.If 20 October is a Saturday, what day of the week is 9 November? (a) Friday (b) Thursday (c) Sunday (d) Saturday
22. 22.Today is Wednesday. What day of the week will it be after 77 days? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
23. 23.If 21 April is a Tuesday, what day of the week is 16 May? (a) Sunday (b) Saturday (c) Monday (d) Friday
24. 24.If 1 May is a Thursday, what day of the week is 9 May? (a) Sunday (b) Saturday (c) Thursday (d) Friday
25. 25.If 24 November is a Monday, what day of the week is 18 December? (a) Saturday (b) Wednesday (c) Friday (d) Thursday
26. 26.If 31 January is a Sunday, what day of the week is 15 February? (a) Monday (b) Wednesday (c) Tuesday (d) Sunday
27. 27.Today is Monday. What day of the week will it be after 22 days? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
28. 28.If 13 January is a Tuesday, what day of the week is 25 January? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
29. 29.If 13 April is a Tuesday, what day of the week is 10 May? (a) Wednesday (b) Monday (c) Sunday (d) Tuesday
30. 30.Today is Saturday. What day of the week will it be after 41 days? (a) Friday (b) Sunday (c) Thursday (d) Saturday
31. 31.Today is Saturday. What day of the week will it be after 38 days? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
32. 32.If 12 January is a Friday, what day of the week is 26 January? (a) Friday (b) Saturday (c) Sunday (d) Thursday
33. 33.If 28 October is a Saturday, what day of the week is 20 November? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
34. 34.If 1 May is a Monday, what day of the week is 10 May? (a) Tuesday (b) Thursday (c) Wednesday (d) Friday
35. 35.If 5 July is a Tuesday, what day of the week is 15 July? (a) Thursday (b) Saturday (c) Sunday (d) Friday
36. 36.If 1 October is a Wednesday, what day of the week is 17 October? (a) Thursday (b) Saturday (c) Sunday (d) Friday
37. 37.If 30 June is a Tuesday, what day of the week is 8 July? (a) Wednesday (b) Thursday (c) Tuesday (d) Friday
38. 38.If 3 May is a Monday, what day of the week is 11 May? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
39. 39.Today is Monday. What day of the week will it be after 64 days? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
40. 40.If 12 December is a Saturday, what day of the week is 28 December? (a) Monday (b) Wednesday (c) Tuesday (d) Sunday

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