Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 836 · 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 December is a Thursday, what day of the week is 31 December? (a) Saturday (b) Monday (c) Sunday (d) Friday
2. 2.Today is Friday. What day of the week will it be after 69 days? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
3. 3.If 1 October is a Monday, what day of the week is 11 October? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
4. 4.If 22 January is a Wednesday, what day of the week is 16 February? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
5. 5.If 16 January is a Sunday, what day of the week is 13 February? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
6. 6.Today is Sunday. What day of the week will it be after 27 days? (a) Sunday (b) Friday (c) Saturday (d) Monday
7. 7.Today is Friday. What day of the week will it be after 94 days? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
8. 8.If 6 October is a Wednesday, what day of the week is 18 October? (a) Sunday (b) Monday (c) Tuesday (d) Wednesday
9. 9.If 12 October is a Saturday, what day of the week is 4 November? (a) Tuesday (b) Monday (c) Wednesday (d) Sunday
10. 10.If 7 May is a Tuesday, what day of the week is 18 May? (a) Saturday (b) Sunday (c) Friday (d) Monday
11. 11.If 29 June is a Wednesday, what day of the week is 4 July? (a) Monday (b) Tuesday (c) Sunday (d) Wednesday
12. 12.If 12 August is a Tuesday, what day of the week is 17 September? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
13. 13.Today is Friday. What day of the week will it be after 31 days? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
14. 14.Today is Friday. What day of the week will it be after 71 days? (a) Saturday (b) Monday (c) Friday (d) Sunday
15. 15.If 9 October is a Sunday, what day of the week is 19 October? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
16. 16.If 4 December is a Saturday, what day of the week is 19 December? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
17. 17.Today is Tuesday. What day of the week will it be after 27 days? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
18. 18.If 9 October is a Saturday, what day of the week is 17 October? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
19. 19.If 8 January is a Saturday, what day of the week is 20 January? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
20. 20.Today is Sunday. What day of the week will it be after 16 days? (a) Tuesday (b) Monday (c) Wednesday (d) Thursday
21. 21.Today is Tuesday. What day of the week will it be after 41 days? (a) Wednesday (b) Tuesday (c) Sunday (d) Monday
22. 22.If 7 May is a Saturday, what day of the week is 23 May? (a) Monday (b) Wednesday (c) Sunday (d) Tuesday
23. 23.If 13 December is a Wednesday, what day of the week is 23 December? (a) Sunday (b) Friday (c) Saturday (d) Monday
24. 24.If 10 January is a Friday, what day of the week is 19 January? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
25. 25.If 23 June is a Monday, what day of the week is 7 July? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
26. 26.If 13 May is a Tuesday, what day of the week is 25 May? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
27. 27.If 28 May is a Thursday, what day of the week is 2 June? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
28. 28.If 1 March is a Friday, what day of the week is 17 March? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
29. 29.Today is Monday. What day of the week will it be after 13 days? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
30. 30.If 21 September is a Friday, what day of the week is 20 October? (a) Monday (b) Friday (c) Saturday (d) Sunday
31. 31.Today is Saturday. What day of the week will it be after 88 days? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
32. 32.If 28 April is a Tuesday, what day of the week is 2 May? (a) Friday (b) Monday (c) Saturday (d) Sunday
33. 33.If 2 October is a Sunday, what day of the week is 12 October? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
34. 34.Today is Wednesday. What day of the week will it be after 60 days? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
35. 35.Today is Sunday. What day of the week will it be after 46 days? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
36. 36.Today is Monday. What day of the week will it be after 31 days? (a) Thursday (b) Saturday (c) Wednesday (d) Friday
37. 37.If 13 December is a Wednesday, what day of the week is 22 December? (a) Saturday (b) Friday (c) Sunday (d) Thursday
38. 38.If 20 March is a Tuesday, what day of the week is 4 April? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
39. 39.If 8 March is a Thursday, what day of the week is 17 March? (a) Monday (b) Friday (c) Saturday (d) Sunday
40. 40.If 5 August is a Sunday, what day of the week is 20 August? (a) Wednesday (b) Tuesday (c) Monday (d) Sunday

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