Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 655 · 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 March is a Saturday, what day of the week is 23 March? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
2. 2.If 15 January is a Sunday, what day of the week is 1 February? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
3. 3.If 30 August is a Saturday, what day of the week is 14 September? (a) Sunday (b) Saturday (c) Tuesday (d) Monday
4. 4.If 5 August is a Saturday, what day of the week is 14 August? (a) Monday (b) Sunday (c) Tuesday (d) Wednesday
5. 5.Today is Monday. What day of the week will it be after 84 days? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
6. 6.Today is Sunday. What day of the week will it be after 18 days? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
7. 7.If 7 July is a Thursday, what day of the week is 15 July? (a) Friday (b) Sunday (c) Thursday (d) Saturday
8. 8.Today is Friday. What day of the week will it be after 62 days? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
9. 9.Today is Friday. What day of the week will it be after 26 days? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
10. 10.If 29 March is a Saturday, what day of the week is 20 April? (a) Monday (b) Sunday (c) Saturday (d) Tuesday
11. 11.Today is Wednesday. What day of the week will it be after 57 days? (a) Saturday (b) Wednesday (c) Friday (d) Thursday
12. 12.Today is Wednesday. What day of the week will it be after 13 days? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
13. 13.Today is Sunday. What day of the week will it be after 72 days? (a) Tuesday (b) Thursday (c) Wednesday (d) Monday
14. 14.If 1 July is a Monday, what day of the week is 17 July? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
15. 15.Today is Monday. What day of the week will it be after 100 days? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
16. 16.If 13 August is a Sunday, what day of the week is 18 September? (a) Wednesday (b) Tuesday (c) Monday (d) Sunday
17. 17.If 5 October is a Tuesday, what day of the week is 16 October? (a) Monday (b) Sunday (c) Saturday (d) Friday
18. 18.If 7 March is a Saturday, what day of the week is 20 March? (a) Sunday (b) Friday (c) Saturday (d) Thursday
19. 19.Today is Sunday. What day of the week will it be after 21 days? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
20. 20.Today is Friday. What day of the week will it be after 83 days? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
21. 21.Today is Tuesday. What day of the week will it be after 32 days? (a) Sunday (b) Friday (c) Monday (d) Saturday
22. 22.If 26 June is a Thursday, what day of the week is 10 July? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
23. 23.If 2 March is a Monday, what day of the week is 14 March? (a) Saturday (b) Sunday (c) Monday (d) Friday
24. 24.Today is Sunday. What day of the week will it be after 11 days? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
25. 25.If 4 August is a Thursday, what day of the week is 19 August? (a) Friday (b) Saturday (c) Thursday (d) Sunday
26. 26.Today is Monday. What day of the week will it be after 16 days? (a) Wednesday (b) Tuesday (c) Friday (d) Thursday
27. 27.If 26 October is a Monday, what day of the week is 3 November? (a) Tuesday (b) Thursday (c) Monday (d) Wednesday
28. 28.If 21 January is a Thursday, what day of the week is 11 February? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
29. 29.Today is Monday. What day of the week will it be after 26 days? (a) Monday (b) Friday (c) Saturday (d) Sunday
30. 30.If 9 March is a Friday, what day of the week is 22 March? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
31. 31.Today is Wednesday. What day of the week will it be after 49 days? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
32. 32.If 11 July is a Wednesday, what day of the week is 19 July? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
33. 33.If 4 January is a Friday, what day of the week is 16 January? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
34. 34.If 14 October is a Thursday, what day of the week is 20 November? (a) Monday (b) Saturday (c) Friday (d) Sunday
35. 35.If 7 January is a Wednesday, what day of the week is 23 January? (a) Saturday (b) Thursday (c) Friday (d) Sunday
36. 36.If 7 October is a Thursday, what day of the week is 18 October? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
37. 37.If 5 December is a Wednesday, what day of the week is 21 December? (a) Saturday (b) Friday (c) Thursday (d) Sunday
38. 38.If 10 December is a Sunday, what day of the week is 20 December? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
39. 39.If 10 August is a Friday, what day of the week is 15 September? (a) Sunday (b) Saturday (c) Monday (d) Friday
40. 40.Today is Monday. What day of the week will it be after 11 days? (a) Friday (b) Thursday (c) Sunday (d) Saturday

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