Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 16 · 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 24 August is a Tuesday, what day of the week is 12 September? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
2. 2.Today is Tuesday. What day of the week will it be after 26 days? (a) Sunday (b) Tuesday (c) Saturday (d) Monday
3. 3.Today is Monday. What day of the week will it be after 94 days? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
4. 4.Today is Thursday. What day of the week will it be after 81 days? (a) Wednesday (b) Monday (c) Sunday (d) Tuesday
5. 5.If 10 October is a Monday, what day of the week is 24 October? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
6. 6.If 19 August is a Friday, what day of the week is 9 September? (a) Thursday (b) Friday (c) Saturday (d) Sunday
7. 7.If 3 December is a Tuesday, what day of the week is 15 December? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
8. 8.If 23 January is a Monday, what day of the week is 20 February? (a) Wednesday (b) Tuesday (c) Sunday (d) Monday
9. 9.If 8 March is a Monday, what day of the week is 21 March? (a) Tuesday (b) Monday (c) Sunday (d) Saturday
10. 10.Today is Monday. What day of the week will it be after 40 days? (a) Monday (b) Sunday (c) Friday (d) Saturday
11. 11.Today is Tuesday. What day of the week will it be after 72 days? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
12. 12.If 6 January is a Sunday, what day of the week is 17 January? (a) Thursday (b) Wednesday (c) Friday (d) Saturday
13. 13.If 19 June is a Wednesday, what day of the week is 14 July? (a) Sunday (b) Monday (c) Tuesday (d) Saturday
14. 14.If 19 July is a Saturday, what day of the week is 8 August? (a) Thursday (b) Friday (c) Saturday (d) Sunday
15. 15.If 19 April is a Thursday, what day of the week is 7 May? (a) Monday (b) Wednesday (c) Sunday (d) Tuesday
16. 16.If 3 July is a Sunday, what day of the week is 18 July? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
17. 17.If 3 March is a Wednesday, what day of the week is 16 March? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
18. 18.Today is Monday. What day of the week will it be after 55 days? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
19. 19.If 29 October is a Thursday, what day of the week is 17 November? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
20. 20.If 7 January is a Saturday, what day of the week is 20 January? (a) Saturday (b) Thursday (c) Sunday (d) Friday
21. 21.If 7 October is a Wednesday, what day of the week is 17 October? (a) Monday (b) Saturday (c) Sunday (d) Friday
22. 22.Today is Friday. What day of the week will it be after 57 days? (a) Monday (b) Saturday (c) Friday (d) Sunday
23. 23.If 1 August is a Wednesday, what day of the week is 9 August? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
24. 24.Today is Saturday. What day of the week will it be after 58 days? (a) Monday (b) Sunday (c) Tuesday (d) Wednesday
25. 25.Today is Friday. What day of the week will it be after 35 days? (a) Sunday (b) Friday (c) Thursday (d) Saturday
26. 26.If 24 November is a Friday, what day of the week is 17 December? (a) Sunday (b) Tuesday (c) Monday (d) Saturday
27. 27.Today is Wednesday. What day of the week will it be after 61 days? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
28. 28.Today is Monday. What day of the week will it be after 56 days? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
29. 29.Today is Saturday. What day of the week will it be after 74 days? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
30. 30.If 7 October is a Saturday, what day of the week is 16 October? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
31. 31.If 28 August is a Saturday, what day of the week is 7 September? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
32. 32.If 12 March is a Tuesday, what day of the week is 15 April? (a) Wednesday (b) Tuesday (c) Sunday (d) Monday
33. 33.Today is Wednesday. What day of the week will it be after 37 days? (a) Friday (b) Thursday (c) Saturday (d) Sunday
34. 34.If 7 December is a Sunday, what day of the week is 23 December? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
35. 35.If 14 July is a Monday, what day of the week is 23 July? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
36. 36.If 4 March is a Saturday, what day of the week is 16 March? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
37. 37.If 17 March is a Saturday, what day of the week is 1 April? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
38. 38.If 4 December is a Friday, what day of the week is 19 December? (a) Sunday (b) Friday (c) Saturday (d) Monday
39. 39.If 1 October is a Wednesday, what day of the week is 10 October? (a) Thursday (b) Sunday (c) Friday (d) Saturday
40. 40.Today is Wednesday. What day of the week will it be after 83 days? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday

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