Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 525 · 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 5 October is a Monday, what day of the week is 13 October? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
2. 2.If 7 January is a Saturday, what day of the week is 17 January? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
3. 3.If 5 January is a Tuesday, what day of the week is 19 January? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
4. 4.If 12 December is a Wednesday, what day of the week is 25 December? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
5. 5.Today is Friday. What day of the week will it be after 85 days? (a) Monday (b) Saturday (c) Friday (d) Sunday
6. 6.If 4 August is a Friday, what day of the week is 15 August? (a) Wednesday (b) Tuesday (c) Thursday (d) Monday
7. 7.Today is Saturday. What day of the week will it be after 17 days? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
8. 8.Today is Friday. What day of the week will it be after 16 days? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
9. 9.Today is Monday. What day of the week will it be after 21 days? (a) Sunday (b) Monday (c) Tuesday (d) Wednesday
10. 10.If 13 July is a Monday, what day of the week is 21 July? (a) Wednesday (b) Tuesday (c) Thursday (d) Monday
11. 11.Today is Monday. What day of the week will it be after 26 days? (a) Friday (b) Monday (c) Sunday (d) Saturday
12. 12.If 12 March is a Wednesday, what day of the week is 20 March? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
13. 13.If 22 October is a Sunday, what day of the week is 11 November? (a) Monday (b) Sunday (c) Friday (d) Saturday
14. 14.Today is Saturday. What day of the week will it be after 23 days? (a) Tuesday (b) Monday (c) Wednesday (d) Sunday
15. 15.Today is Sunday. What day of the week will it be after 26 days? (a) Sunday (b) Thursday (c) Friday (d) Saturday
16. 16.If 11 August is a Monday, what day of the week is 23 August? (a) Sunday (b) Friday (c) Saturday (d) Monday
17. 17.If 21 August is a Wednesday, what day of the week is 18 September? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
18. 18.If 14 December is a Monday, what day of the week is 22 December? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
19. 19.If 8 January is a Saturday, what day of the week is 20 January? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
20. 20.If 27 October is a Friday, what day of the week is 14 November? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday
21. 21.If 17 September is a Sunday, what day of the week is 5 October? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
22. 22.If 15 March is a Tuesday, what day of the week is 16 April? (a) Monday (b) Saturday (c) Sunday (d) Friday
23. 23.If 17 November is a Monday, what day of the week is 3 December? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
24. 24.Today is Wednesday. What day of the week will it be after 46 days? (a) Monday (b) Sunday (c) Tuesday (d) Saturday
25. 25.If 24 October is a Monday, what day of the week is 14 November? (a) Monday (b) Tuesday (c) Sunday (d) Wednesday
26. 26.Today is Saturday. What day of the week will it be after 43 days? (a) Sunday (b) Saturday (c) Tuesday (d) Monday
27. 27.If 1 January is a Sunday, what day of the week is 13 January? (a) Saturday (b) Sunday (c) Friday (d) Thursday
28. 28.If 19 March is a Sunday, what day of the week is 5 April? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
29. 29.Today is Wednesday. What day of the week will it be after 93 days? (a) Friday (b) Sunday (c) Thursday (d) Saturday
30. 30.If 14 January is a Thursday, what day of the week is 13 February? (a) Friday (b) Sunday (c) Saturday (d) Monday
31. 31.Today is Friday. What day of the week will it be after 66 days? (a) Wednesday (b) Monday (c) Sunday (d) Tuesday
32. 32.Today is Friday. What day of the week will it be after 77 days? (a) Saturday (b) Thursday (c) Sunday (d) Friday
33. 33.If 28 June is a Wednesday, what day of the week is 3 July? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
34. 34.Today is Saturday. What day of the week will it be after 29 days? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
35. 35.If 1 May is a Tuesday, what day of the week is 14 May? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
36. 36.Today is Tuesday. What day of the week will it be after 53 days? (a) Sunday (b) Monday (c) Saturday (d) Friday
37. 37.If 8 July is a Wednesday, what day of the week is 18 July? (a) Saturday (b) Monday (c) Friday (d) Sunday
38. 38.If 14 June is a Monday, what day of the week is 14 July? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
39. 39.Today is Tuesday. What day of the week will it be after 22 days? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
40. 40.If 13 August is a Wednesday, what day of the week is 27 August? (a) Wednesday (b) Tuesday (c) Friday (d) Thursday

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