Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 45 · 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 Tuesday, what day of the week is 15 October? (a) Saturday (b) Monday (c) Sunday (d) Friday
2. 2.Today is Tuesday. What day of the week will it be after 23 days? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
3. 3.Today is Wednesday. What day of the week will it be after 45 days? (a) Sunday (b) Friday (c) Saturday (d) Monday
4. 4.If 10 October is a Saturday, what day of the week is 20 October? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
5. 5.If 1 December is a Wednesday, what day of the week is 12 December? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
6. 6.If 17 May is a Sunday, what day of the week is 12 June? (a) Friday (b) Thursday (c) Sunday (d) Saturday
7. 7.If 26 January is a Monday, what day of the week is 18 February? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
8. 8.If 5 December is a Tuesday, what day of the week is 16 December? (a) Friday (b) Monday (c) Saturday (d) Sunday
9. 9.If 14 March is a Thursday, what day of the week is 11 April? (a) Wednesday (b) Thursday (c) Friday (d) Saturday
10. 10.If 14 November is a Friday, what day of the week is 9 December? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
11. 11.If 12 March is a Monday, what day of the week is 19 April? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
12. 12.If 13 October is a Monday, what day of the week is 4 November? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
13. 13.If 19 June is a Sunday, what day of the week is 4 July? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
14. 14.Today is Friday. What day of the week will it be after 24 days? (a) Wednesday (b) Monday (c) Sunday (d) Tuesday
15. 15.If 22 June is a Monday, what day of the week is 4 July? (a) Saturday (b) Monday (c) Sunday (d) Friday
16. 16.Today is Friday. What day of the week will it be after 80 days? (a) Monday (b) Wednesday (c) Tuesday (d) Sunday
17. 17.Today is Tuesday. What day of the week will it be after 40 days? (a) Sunday (b) Tuesday (c) Saturday (d) Monday
18. 18.If 12 August is a Monday, what day of the week is 21 August? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
19. 19.Today is Wednesday. What day of the week will it be after 68 days? (a) Wednesday (b) Tuesday (c) Sunday (d) Monday
20. 20.If 27 May is a Monday, what day of the week is 1 June? (a) Monday (b) Friday (c) Saturday (d) Sunday
21. 21.If 27 May is a Wednesday, what day of the week is 9 June? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
22. 22.If 6 January is a Thursday, what day of the week is 17 January? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
23. 23.If 19 August is a Friday, what day of the week is 14 September? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
24. 24.If 28 August is a Tuesday, what day of the week is 2 September? (a) Monday (b) Sunday (c) Saturday (d) Tuesday
25. 25.If 22 September is a Tuesday, what day of the week is 6 October? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
26. 26.Today is Tuesday. What day of the week will it be after 15 days? (a) Tuesday (b) Thursday (c) Wednesday (d) Friday
27. 27.If 3 August is a Tuesday, what day of the week is 17 August? (a) Tuesday (b) Monday (c) Wednesday (d) Thursday
28. 28.If 15 October is a Tuesday, what day of the week is 5 November? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
29. 29.If 24 January is a Monday, what day of the week is 3 February? (a) Thursday (b) Saturday (c) Friday (d) Wednesday
30. 30.If 2 December is a Monday, what day of the week is 18 December? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
31. 31.Today is Friday. What day of the week will it be after 20 days? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
32. 32.Today is Sunday. What day of the week will it be after 95 days? (a) Wednesday (b) Thursday (c) Friday (d) Saturday
33. 33.Today is Tuesday. What day of the week will it be after 49 days? (a) Tuesday (b) Wednesday (c) Thursday (d) Monday
34. 34.Today is Saturday. What day of the week will it be after 79 days? (a) Tuesday (b) Monday (c) Sunday (d) Wednesday
35. 35.If 26 July is a Wednesday, what day of the week is 2 August? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
36. 36.Today is Tuesday. What day of the week will it be after 10 days? (a) Friday (b) Sunday (c) Saturday (d) Thursday
37. 37.If 3 May is a Tuesday, what day of the week is 11 May? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
38. 38.If 4 October is a Monday, what day of the week is 15 October? (a) Saturday (b) Friday (c) Thursday (d) Sunday
39. 39.Today is Friday. What day of the week will it be after 17 days? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
40. 40.If 5 July is a Friday, what day of the week is 18 July? (a) Wednesday (b) Friday (c) Thursday (d) Saturday

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