Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 423 · 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 August is a Friday, what day of the week is 23 August? (a) Tuesday (b) Wednesday (c) Monday (d) Thursday
2. 2.Today is Tuesday. What day of the week will it be after 66 days? (a) Thursday (b) Saturday (c) Sunday (d) Friday
3. 3.Today is Friday. What day of the week will it be after 44 days? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
4. 4.If 17 September is a Wednesday, what day of the week is 9 October? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
5. 5.If 18 August is a Thursday, what day of the week is 19 September? (a) Monday (b) Sunday (c) Tuesday (d) Wednesday
6. 6.Today is Saturday. What day of the week will it be after 60 days? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
7. 7.If 15 January is a Friday, what day of the week is 5 February? (a) Thursday (b) Sunday (c) Friday (d) Saturday
8. 8.If 6 December is a Tuesday, what day of the week is 14 December? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
9. 9.If 20 August is a Tuesday, what day of the week is 15 September? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
10. 10.If 26 May is a Tuesday, what day of the week is 14 June? (a) Monday (b) Sunday (c) Saturday (d) Tuesday
11. 11.Today is Wednesday. What day of the week will it be after 36 days? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
12. 12.Today is Monday. What day of the week will it be after 11 days? (a) Friday (b) Sunday (c) Thursday (d) Saturday
13. 13.If 3 May is a Wednesday, what day of the week is 15 May? (a) Tuesday (b) Monday (c) Sunday (d) Wednesday
14. 14.Today is Tuesday. What day of the week will it be after 40 days? (a) Monday (b) Sunday (c) Tuesday (d) Saturday
15. 15.If 13 September is a Tuesday, what day of the week is 19 October? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
16. 16.Today is Monday. What day of the week will it be after 75 days? (a) Monday (b) Sunday (c) Saturday (d) Friday
17. 17.If 14 March is a Tuesday, what day of the week is 20 April? (a) Thursday (b) Friday (c) Saturday (d) Wednesday
18. 18.If 17 January is a Wednesday, what day of the week is 9 February? (a) Sunday (b) Saturday (c) Thursday (d) Friday
19. 19.Today is Sunday. What day of the week will it be after 37 days? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
20. 20.If 3 May is a Sunday, what day of the week is 17 May? (a) Monday (b) Sunday (c) Tuesday (d) Saturday
21. 21.If 4 May is a Wednesday, what day of the week is 19 May? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
22. 22.If 3 January is a Monday, what day of the week is 16 January? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
23. 23.If 1 December is a Sunday, what day of the week is 15 December? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
24. 24.Today is Wednesday. What day of the week will it be after 86 days? (a) Thursday (b) Sunday (c) Friday (d) Saturday
25. 25.If 2 December is a Wednesday, what day of the week is 16 December? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
26. 26.Today is Saturday. What day of the week will it be after 48 days? (a) Saturday (b) Sunday (c) Thursday (d) Friday
27. 27.Today is Sunday. What day of the week will it be after 27 days? (a) Saturday (b) Monday (c) Friday (d) Sunday
28. 28.If 23 June is a Saturday, what day of the week is 1 July? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
29. 29.If 27 March is a Sunday, what day of the week is 18 April? (a) Monday (b) Tuesday (c) Sunday (d) Wednesday
30. 30.If 28 November is a Thursday, what day of the week is 11 December? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
31. 31.If 14 August is a Thursday, what day of the week is 29 August? (a) Thursday (b) Sunday (c) Saturday (d) Friday
32. 32.If 3 December is a Monday, what day of the week is 11 December? (a) Tuesday (b) Wednesday (c) Thursday (d) Monday
33. 33.If 10 September is a Thursday, what day of the week is 16 October? (a) Thursday (b) Friday (c) Saturday (d) Sunday
34. 34.If 26 September is a Friday, what day of the week is 3 October? (a) Saturday (b) Thursday (c) Sunday (d) Friday
35. 35.If 12 November is a Tuesday, what day of the week is 15 December? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
36. 36.If 24 March is a Friday, what day of the week is 1 April? (a) Monday (b) Sunday (c) Saturday (d) Friday
37. 37.If 10 March is a Thursday, what day of the week is 19 March? (a) Sunday (b) Saturday (c) Monday (d) Friday
38. 38.If 14 March is a Tuesday, what day of the week is 25 March? (a) Sunday (b) Monday (c) Saturday (d) Friday
39. 39.Today is Monday. What day of the week will it be after 13 days? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
40. 40.If 10 October is a Monday, what day of the week is 25 October? (a) Tuesday (b) Wednesday (c) Monday (d) Thursday

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