Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 607 · 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 4 August is a Wednesday, what day of the week is 13 August? (a) Sunday (b) Thursday (c) Friday (d) Saturday
2. 2.If 12 July is a Wednesday, what day of the week is 28 July? (a) Thursday (b) Sunday (c) Saturday (d) Friday
3. 3.If 14 December is a Wednesday, what day of the week is 28 December? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
4. 4.Today is Friday. What day of the week will it be after 26 days? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
5. 5.If 5 August is a Wednesday, what day of the week is 14 August? (a) Friday (b) Saturday (c) Sunday (d) Thursday
6. 6.Today is Sunday. What day of the week will it be after 20 days? (a) Friday (b) Monday (c) Saturday (d) Sunday
7. 7.Today is Friday. What day of the week will it be after 72 days? (a) Sunday (b) Monday (c) Saturday (d) Tuesday
8. 8.If 6 December is a Friday, what day of the week is 16 December? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
9. 9.If 6 December is a Tuesday, what day of the week is 21 December? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
10. 10.Today is Thursday. What day of the week will it be after 64 days? (a) Saturday (b) Friday (c) Sunday (d) Thursday
11. 11.Today is Thursday. What day of the week will it be after 86 days? (a) Friday (b) Monday (c) Saturday (d) Sunday
12. 12.If 3 March is a Monday, what day of the week is 13 March? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
13. 13.If 3 October is a Sunday, what day of the week is 12 October? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
14. 14.If 11 March is a Sunday, what day of the week is 21 March? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
15. 15.If 1 March is a Wednesday, what day of the week is 12 March? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
16. 16.Today is Sunday. What day of the week will it be after 82 days? (a) Friday (b) Saturday (c) Thursday (d) Sunday
17. 17.If 10 December is a Monday, what day of the week is 23 December? (a) Tuesday (b) Sunday (c) Saturday (d) Monday
18. 18.Today is Tuesday. What day of the week will it be after 99 days? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
19. 19.If 27 January is a Tuesday, what day of the week is 13 February? (a) Sunday (b) Saturday (c) Friday (d) Thursday
20. 20.If 19 March is a Sunday, what day of the week is 13 April? (a) Friday (b) Thursday (c) Wednesday (d) Saturday
21. 21.Today is Friday. What day of the week will it be after 45 days? (a) Monday (b) Tuesday (c) Sunday (d) Wednesday
22. 22.If 21 October is a Wednesday, what day of the week is 18 November? (a) Wednesday (b) Thursday (c) Tuesday (d) Friday
23. 23.If 21 October is a Wednesday, what day of the week is 19 November? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
24. 24.Today is Monday. What day of the week will it be after 18 days? (a) Sunday (b) Saturday (c) Friday (d) Thursday
25. 25.If 18 January is a Sunday, what day of the week is 9 February? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
26. 26.If 15 August is a Monday, what day of the week is 27 August? (a) Sunday (b) Friday (c) Saturday (d) Monday
27. 27.Today is Wednesday. What day of the week will it be after 83 days? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
28. 28.If 8 March is a Friday, what day of the week is 19 March? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
29. 29.If 14 May is a Tuesday, what day of the week is 30 May? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
30. 30.If 13 January is a Monday, what day of the week is 3 February? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
31. 31.Today is Saturday. What day of the week will it be after 31 days? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
32. 32.If 14 June is a Thursday, what day of the week is 9 July? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
33. 33.If 14 October is a Thursday, what day of the week is 28 October? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
34. 34.If 23 June is a Wednesday, what day of the week is 2 July? (a) Saturday (b) Friday (c) Sunday (d) Thursday
35. 35.Today is Thursday. What day of the week will it be after 32 days? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
36. 36.If 4 January is a Tuesday, what day of the week is 14 January? (a) Friday (b) Thursday (c) Saturday (d) Sunday
37. 37.Today is Saturday. What day of the week will it be after 41 days? (a) Friday (b) Sunday (c) Thursday (d) Saturday
38. 38.If 14 May is a Wednesday, what day of the week is 27 May? (a) Tuesday (b) Wednesday (c) Monday (d) Thursday
39. 39.If 5 December is a Tuesday, what day of the week is 15 December? (a) Thursday (b) Friday (c) Sunday (d) Saturday
40. 40.Today is Sunday. What day of the week will it be after 35 days? (a) Tuesday (b) Monday (c) Saturday (d) Sunday

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