Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 709 · 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 Thursday, what day of the week is 5 April? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
2. 2.If 1 August is a Saturday, what day of the week is 12 August? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
3. 3.If 14 January is a Sunday, what day of the week is 25 January? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
4. 4.If 14 October is a Sunday, what day of the week is 24 October? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
5. 5.If 8 August is a Sunday, what day of the week is 20 August? (a) Sunday (b) Friday (c) Saturday (d) Thursday
6. 6.If 5 October is a Sunday, what day of the week is 20 October? (a) Sunday (b) Monday (c) Tuesday (d) Wednesday
7. 7.Today is Sunday. What day of the week will it be after 100 days? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
8. 8.If 16 August is a Saturday, what day of the week is 2 September? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
9. 9.If 13 July is a Monday, what day of the week is 3 August? (a) Monday (b) Tuesday (c) Sunday (d) Wednesday
10. 10.If 8 October is a Wednesday, what day of the week is 18 October? (a) Friday (b) Sunday (c) Saturday (d) Monday
11. 11.If 24 August is a Wednesday, what day of the week is 3 September? (a) Friday (b) Monday (c) Saturday (d) Sunday
12. 12.If 1 March is a Thursday, what day of the week is 12 March? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
13. 13.If 20 April is a Friday, what day of the week is 13 May? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
14. 14.If 10 August is a Tuesday, what day of the week is 21 August? (a) Saturday (b) Sunday (c) Friday (d) Monday
15. 15.If 28 March is a Sunday, what day of the week is 18 April? (a) Sunday (b) Tuesday (c) Saturday (d) Monday
16. 16.If 13 May is a Wednesday, what day of the week is 26 May? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
17. 17.If 4 October is a Wednesday, what day of the week is 18 October? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
18. 18.If 2 March is a Monday, what day of the week is 13 March? (a) Thursday (b) Friday (c) Sunday (d) Saturday
19. 19.If 28 November is a Saturday, what day of the week is 19 December? (a) Saturday (b) Monday (c) Sunday (d) Friday
20. 20.If 24 April is a Wednesday, what day of the week is 2 May? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
21. 21.If 17 August is a Wednesday, what day of the week is 13 September? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
22. 22.If 6 May is a Thursday, what day of the week is 19 May? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
23. 23.Today is Saturday. What day of the week will it be after 51 days? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
24. 24.If 10 January is a Thursday, what day of the week is 23 January? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
25. 25.If 26 November is a Tuesday, what day of the week is 17 December? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
26. 26.If 12 December is a Wednesday, what day of the week is 20 December? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
27. 27.If 4 December is a Monday, what day of the week is 16 December? (a) Saturday (b) Friday (c) Monday (d) Sunday
28. 28.If 24 January is a Monday, what day of the week is 17 February? (a) Wednesday (b) Thursday (c) Saturday (d) Friday
29. 29.Today is Friday. What day of the week will it be after 27 days? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
30. 30.Today is Wednesday. What day of the week will it be after 21 days? (a) Wednesday (b) Tuesday (c) Friday (d) Thursday
31. 31.If 1 March is a Monday, what day of the week is 11 March? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
32. 32.Today is Wednesday. What day of the week will it be after 11 days? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
33. 33.If 10 October is a Monday, what day of the week is 19 October? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
34. 34.Today is Sunday. What day of the week will it be after 88 days? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
35. 35.If 3 August is a Sunday, what day of the week is 18 August? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
36. 36.If 26 October is a Tuesday, what day of the week is 18 November? (a) Friday (b) Thursday (c) Wednesday (d) Saturday
37. 37.If 13 March is a Wednesday, what day of the week is 22 March? (a) Thursday (b) Saturday (c) Friday (d) Sunday
38. 38.Today is Saturday. What day of the week will it be after 43 days? (a) Sunday (b) Saturday (c) Monday (d) Tuesday
39. 39.Today is Friday. What day of the week will it be after 78 days? (a) Monday (b) Friday (c) Saturday (d) Sunday
40. 40.Today is Tuesday. What day of the week will it be after 68 days? (a) Saturday (b) Monday (c) Tuesday (d) Sunday

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