Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 868 · 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 October is a Monday, what day of the week is 21 October? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
2. 2.If 26 October is a Friday, what day of the week is 13 November? (a) Tuesday (b) Wednesday (c) Monday (d) Thursday
3. 3.Today is Thursday. What day of the week will it be after 90 days? (a) Wednesday (b) Tuesday (c) Friday (d) Thursday
4. 4.If 3 October is a Sunday, what day of the week is 17 October? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
5. 5.Today is Friday. What day of the week will it be after 42 days? (a) Sunday (b) Friday (c) Thursday (d) Saturday
6. 6.Today is Wednesday. What day of the week will it be after 34 days? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
7. 7.If 15 January is a Thursday, what day of the week is 14 February? (a) Sunday (b) Saturday (c) Friday (d) Monday
8. 8.If 2 January is a Monday, what day of the week is 15 January? (a) Sunday (b) Tuesday (c) Monday (d) Saturday
9. 9.Today is Thursday. What day of the week will it be after 85 days? (a) Saturday (b) Friday (c) Sunday (d) Thursday
10. 10.If 11 November is a Thursday, what day of the week is 1 December? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
11. 11.If 21 May is a Monday, what day of the week is 4 June? (a) Monday (b) Tuesday (c) Sunday (d) Wednesday
12. 12.If 22 November is a Monday, what day of the week is 9 December? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
13. 13.Today is Wednesday. What day of the week will it be after 18 days? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
14. 14.If 15 November is a Thursday, what day of the week is 5 December? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
15. 15.If 21 January is a Saturday, what day of the week is 1 February? (a) Wednesday (b) Thursday (c) Tuesday (d) Friday
16. 16.If 10 March is a Friday, what day of the week is 23 March? (a) Thursday (b) Saturday (c) Friday (d) Wednesday
17. 17.If 8 July is a Tuesday, what day of the week is 22 July? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
18. 18.If 13 January is a Thursday, what day of the week is 2 February? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
19. 19.Today is Monday. What day of the week will it be after 89 days? (a) Saturday (b) Friday (c) Monday (d) Sunday
20. 20.If 2 August is a Tuesday, what day of the week is 12 August? (a) Thursday (b) Sunday (c) Saturday (d) Friday
21. 21.Today is Wednesday. What day of the week will it be after 44 days? (a) Sunday (b) Friday (c) Saturday (d) Thursday
22. 22.Today is Sunday. What day of the week will it be after 99 days? (a) Monday (b) Tuesday (c) Sunday (d) Wednesday
23. 23.Today is Monday. What day of the week will it be after 13 days? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
24. 24.Today is Monday. What day of the week will it be after 27 days? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
25. 25.If 12 January is a Wednesday, what day of the week is 27 January? (a) Thursday (b) Friday (c) Saturday (d) Wednesday
26. 26.If 4 March is a Thursday, what day of the week is 13 March? (a) Sunday (b) Monday (c) Friday (d) Saturday
27. 27.If 14 May is a Tuesday, what day of the week is 23 May? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
28. 28.If 19 July is a Friday, what day of the week is 12 August? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
29. 29.If 26 July is a Sunday, what day of the week is 15 August? (a) Monday (b) Friday (c) Saturday (d) Sunday
30. 30.If 28 May is a Saturday, what day of the week is 20 June? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
31. 31.If 11 October is a Friday, what day of the week is 22 October? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
32. 32.If 1 May is a Wednesday, what day of the week is 16 May? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
33. 33.If 26 September is a Tuesday, what day of the week is 12 October? (a) Thursday (b) Friday (c) Saturday (d) Wednesday
34. 34.If 4 August is a Sunday, what day of the week is 18 August? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
35. 35.If 12 December is a Wednesday, what day of the week is 22 December? (a) Saturday (b) Monday (c) Sunday (d) Friday
36. 36.If 13 July is a Friday, what day of the week is 13 August? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
37. 37.If 11 October is a Friday, what day of the week is 16 November? (a) Sunday (b) Saturday (c) Friday (d) Monday
38. 38.Today is Saturday. What day of the week will it be after 80 days? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
39. 39.If 3 March is a Thursday, what day of the week is 11 March? (a) Sunday (b) Saturday (c) Friday (d) Thursday
40. 40.If 8 December is a Sunday, what day of the week is 22 December? (a) Tuesday (b) Monday (c) Sunday (d) Saturday

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