Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 56 · 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 12 December is a Tuesday, what day of the week is 21 December? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
2. 2.If 13 July is a Tuesday, what day of the week is 12 August? (a) Thursday (b) Wednesday (c) Friday (d) Saturday
3. 3.If 20 July is a Tuesday, what day of the week is 12 August? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
4. 4.If 28 January is a Friday, what day of the week is 2 February? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
5. 5.If 12 March is a Thursday, what day of the week is 22 March? (a) Monday (b) Sunday (c) Saturday (d) Tuesday
6. 6.Today is Wednesday. What day of the week will it be after 29 days? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
7. 7.If 11 May is a Wednesday, what day of the week is 27 May? (a) Sunday (b) Thursday (c) Saturday (d) Friday
8. 8.If 3 December is a Saturday, what day of the week is 17 December? (a) Friday (b) Saturday (c) Sunday (d) Monday
9. 9.If 14 May is a Thursday, what day of the week is 30 May? (a) Saturday (b) Monday (c) Sunday (d) Friday
10. 10.If 10 May is a Tuesday, what day of the week is 24 May? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
11. 11.If 1 July is a Saturday, what day of the week is 13 July? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
12. 12.Today is Friday. What day of the week will it be after 61 days? (a) Tuesday (b) Thursday (c) Wednesday (d) Friday
13. 13.If 4 August is a Tuesday, what day of the week is 12 August? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
14. 14.If 10 October is a Thursday, what day of the week is 10 November? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
15. 15.If 23 April is a Monday, what day of the week is 6 May? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
16. 16.If 2 January is a Saturday, what day of the week is 16 January? (a) Saturday (b) Friday (c) Monday (d) Sunday
17. 17.Today is Saturday. What day of the week will it be after 61 days? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
18. 18.If 29 November is a Tuesday, what day of the week is 1 December? (a) Thursday (b) Wednesday (c) Saturday (d) Friday
19. 19.If 17 January is a Monday, what day of the week is 13 February? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
20. 20.If 17 July is a Saturday, what day of the week is 2 August? (a) Monday (b) Wednesday (c) Tuesday (d) Sunday
21. 21.Today is Monday. What day of the week will it be after 76 days? (a) Tuesday (b) Sunday (c) Saturday (d) Monday
22. 22.Today is Monday. What day of the week will it be after 42 days? (a) Tuesday (b) Wednesday (c) Sunday (d) Monday
23. 23.If 12 July is a Tuesday, what day of the week is 20 July? (a) Wednesday (b) Friday (c) Thursday (d) Tuesday
24. 24.If 5 December is a Friday, what day of the week is 17 December? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
25. 25.If 14 April is a Monday, what day of the week is 20 May? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
26. 26.Today is Monday. What day of the week will it be after 74 days? (a) Thursday (b) Sunday (c) Saturday (d) Friday
27. 27.If 3 March is a Saturday, what day of the week is 18 March? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
28. 28.Today is Wednesday. What day of the week will it be after 55 days? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
29. 29.Today is Wednesday. What day of the week will it be after 69 days? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday
30. 30.Today is Monday. What day of the week will it be after 52 days? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
31. 31.If 15 October is a Saturday, what day of the week is 28 October? (a) Saturday (b) Friday (c) Sunday (d) Thursday
32. 32.If 17 January is a Friday, what day of the week is 8 February? (a) Friday (b) Sunday (c) Monday (d) Saturday
33. 33.If 10 December is a Saturday, what day of the week is 19 December? (a) Monday (b) Wednesday (c) Tuesday (d) Sunday
34. 34.If 9 July is a Thursday, what day of the week is 17 July? (a) Friday (b) Sunday (c) Thursday (d) Saturday
35. 35.If 10 January is a Tuesday, what day of the week is 26 January? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
36. 36.If 13 October is a Thursday, what day of the week is 17 November? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
37. 37.Today is Thursday. What day of the week will it be after 49 days? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
38. 38.If 11 July is a Monday, what day of the week is 11 August? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
39. 39.Today is Thursday. What day of the week will it be after 24 days? (a) Sunday (b) Monday (c) Tuesday (d) Saturday
40. 40.If 15 April is a Saturday, what day of the week is 3 May? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday

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