Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 231 · 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 11 October is a Monday, what day of the week is 19 October? (a) Tuesday (b) Monday (c) Wednesday (d) Thursday
2. 2.If 23 November is a Saturday, what day of the week is 16 December? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
3. 3.Today is Thursday. What day of the week will it be after 96 days? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
4. 4.If 14 October is a Monday, what day of the week is 25 October? (a) Saturday (b) Sunday (c) Friday (d) Thursday
5. 5.If 1 January is a Wednesday, what day of the week is 9 January? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
6. 6.Today is Thursday. What day of the week will it be after 48 days? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
7. 7.If 15 March is a Saturday, what day of the week is 18 April? (a) Saturday (b) Friday (c) Sunday (d) Thursday
8. 8.If 26 January is a Wednesday, what day of the week is 10 February? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
9. 9.If 13 August is a Wednesday, what day of the week is 28 August? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
10. 10.Today is Friday. What day of the week will it be after 53 days? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
11. 11.If 8 January is a Wednesday, what day of the week is 17 January? (a) Sunday (b) Thursday (c) Friday (d) Saturday
12. 12.Today is Monday. What day of the week will it be after 46 days? (a) Saturday (b) Thursday (c) Sunday (d) Friday
13. 13.If 8 October is a Sunday, what day of the week is 18 October? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
14. 14.If 31 August is a Tuesday, what day of the week is 2 September? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
15. 15.Today is Wednesday. What day of the week will it be after 60 days? (a) Sunday (b) Saturday (c) Monday (d) Tuesday
16. 16.If 12 January is a Saturday, what day of the week is 22 January? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
17. 17.Today is Wednesday. What day of the week will it be after 24 days? (a) Monday (b) Saturday (c) Sunday (d) Friday
18. 18.If 21 September is a Tuesday, what day of the week is 6 October? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
19. 19.If 13 May is a Sunday, what day of the week is 29 May? (a) Tuesday (b) Wednesday (c) Thursday (d) Monday
20. 20.Today is Tuesday. What day of the week will it be after 13 days? (a) Tuesday (b) Monday (c) Wednesday (d) Sunday
21. 21.If 15 April is a Tuesday, what day of the week is 12 May? (a) Tuesday (b) Monday (c) Wednesday (d) Sunday
22. 22.Today is Friday. What day of the week will it be after 30 days? (a) Tuesday (b) Sunday (c) Monday (d) Saturday
23. 23.If 14 July is a Sunday, what day of the week is 24 July? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
24. 24.If 21 May is a Thursday, what day of the week is 12 June? (a) Sunday (b) Friday (c) Thursday (d) Saturday
25. 25.If 10 March is a Saturday, what day of the week is 18 March? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
26. 26.Today is Sunday. What day of the week will it be after 56 days? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
27. 27.If 19 September is a Tuesday, what day of the week is 1 October? (a) Monday (b) Sunday (c) Tuesday (d) Saturday
28. 28.If 1 July is a Wednesday, what day of the week is 15 July? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
29. 29.If 15 January is a Saturday, what day of the week is 20 February? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
30. 30.Today is Saturday. What day of the week will it be after 42 days? (a) Friday (b) Sunday (c) Monday (d) Saturday
31. 31.If 2 January is a Monday, what day of the week is 15 January? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
32. 32.If 9 August is a Sunday, what day of the week is 19 August? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
33. 33.If 13 May is a Friday, what day of the week is 9 June? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
34. 34.If 14 March is a Monday, what day of the week is 24 March? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
35. 35.If 17 August is a Sunday, what day of the week is 16 September? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
36. 36.Today is Friday. What day of the week will it be after 69 days? (a) Saturday (b) Wednesday (c) Friday (d) Thursday
37. 37.Today is Sunday. What day of the week will it be after 27 days? (a) Sunday (b) Monday (c) Saturday (d) Friday
38. 38.If 6 July is a Thursday, what day of the week is 21 July? (a) Friday (b) Saturday (c) Thursday (d) Sunday
39. 39.If 9 August is a Tuesday, what day of the week is 22 August? (a) Wednesday (b) Tuesday (c) Sunday (d) Monday
40. 40.If 27 June is a Saturday, what day of the week is 1 July? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday

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