Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 72 · 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 November is a Wednesday, what day of the week is 1 December? (a) Monday (b) Sunday (c) Tuesday (d) Wednesday
2. 2.Today is Sunday. What day of the week will it be after 58 days? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
3. 3.If 16 July is a Monday, what day of the week is 11 August? (a) Friday (b) Monday (c) Saturday (d) Sunday
4. 4.If 14 January is a Tuesday, what day of the week is 3 February? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
5. 5.If 10 July is a Wednesday, what day of the week is 19 July? (a) Sunday (b) Thursday (c) Saturday (d) Friday
6. 6.Today is Sunday. What day of the week will it be after 77 days? (a) Tuesday (b) Sunday (c) Saturday (d) Monday
7. 7.If 17 June is a Tuesday, what day of the week is 15 July? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
8. 8.If 12 August is a Thursday, what day of the week is 23 August? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
9. 9.Today is Sunday. What day of the week will it be after 28 days? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
10. 10.Today is Wednesday. What day of the week will it be after 57 days? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
11. 11.If 10 March is a Thursday, what day of the week is 19 March? (a) Monday (b) Friday (c) Saturday (d) Sunday
12. 12.If 18 August is a Sunday, what day of the week is 8 September? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
13. 13.Today is Tuesday. What day of the week will it be after 17 days? (a) Saturday (b) Thursday (c) Friday (d) Sunday
14. 14.If 10 August is a Thursday, what day of the week is 13 September? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
15. 15.If 8 October is a Friday, what day of the week is 20 October? (a) Wednesday (b) Tuesday (c) Friday (d) Thursday
16. 16.Today is Thursday. What day of the week will it be after 41 days? (a) Wednesday (b) Thursday (c) Tuesday (d) Friday
17. 17.Today is Saturday. What day of the week will it be after 55 days? (a) Friday (b) Saturday (c) Sunday (d) Thursday
18. 18.If 11 November is a Sunday, what day of the week is 6 December? (a) Thursday (b) Saturday (c) Wednesday (d) Friday
19. 19.If 1 December is a Friday, what day of the week is 16 December? (a) Sunday (b) Saturday (c) Monday (d) Friday
20. 20.If 10 October is a Monday, what day of the week is 20 November? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
21. 21.Today is Sunday. What day of the week will it be after 52 days? (a) Tuesday (b) Thursday (c) Wednesday (d) Friday
22. 22.If 8 August is a Monday, what day of the week is 18 August? (a) Thursday (b) Saturday (c) Wednesday (d) Friday
23. 23.Today is Sunday. What day of the week will it be after 97 days? (a) Sunday (b) Saturday (c) Monday (d) Friday
24. 24.If 8 July is a Wednesday, what day of the week is 22 July? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
25. 25.If 11 March is a Tuesday, what day of the week is 25 March? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
26. 26.Today is Saturday. What day of the week will it be after 70 days? (a) Monday (b) Saturday (c) Friday (d) Sunday
27. 27.Today is Monday. What day of the week will it be after 35 days? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
28. 28.If 7 December is a Saturday, what day of the week is 18 December? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
29. 29.If 25 September is a Wednesday, what day of the week is 9 October? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
30. 30.If 11 November is a Monday, what day of the week is 1 December? (a) Sunday (b) Monday (c) Saturday (d) Tuesday
31. 31.If 8 March is a Friday, what day of the week is 17 March? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
32. 32.If 10 December is a Monday, what day of the week is 24 December? (a) Monday (b) Wednesday (c) Tuesday (d) Sunday
33. 33.If 10 September is a Friday, what day of the week is 5 October? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday
34. 34.If 21 October is a Wednesday, what day of the week is 20 November? (a) Friday (b) Thursday (c) Saturday (d) Sunday
35. 35.Today is Thursday. What day of the week will it be after 87 days? (a) Sunday (b) Monday (c) Tuesday (d) Saturday
36. 36.Today is Thursday. What day of the week will it be after 15 days? (a) Friday (b) Sunday (c) Thursday (d) Saturday
37. 37.If 7 January is a Monday, what day of the week is 20 January? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
38. 38.If 24 January is a Friday, what day of the week is 15 February? (a) Monday (b) Saturday (c) Friday (d) Sunday
39. 39.If 11 June is a Tuesday, what day of the week is 8 July? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
40. 40.Today is Saturday. What day of the week will it be after 11 days? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday

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