Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 884 · 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 11 August is a Wednesday, what day of the week is 25 August? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
2. 2.If 13 August is a Tuesday, what day of the week is 5 September? (a) Thursday (b) Wednesday (c) Friday (d) Saturday
3. 3.If 31 October is a Wednesday, what day of the week is 14 November? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
4. 4.If 6 May is a Thursday, what day of the week is 21 May? (a) Friday (b) Saturday (c) Sunday (d) Thursday
5. 5.Today is Tuesday. What day of the week will it be after 48 days? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
6. 6.If 16 August is a Saturday, what day of the week is 6 September? (a) Monday (b) Friday (c) Sunday (d) Saturday
7. 7.If 16 January is a Wednesday, what day of the week is 9 February? (a) Saturday (b) Sunday (c) Friday (d) Monday
8. 8.If 7 January is a Thursday, what day of the week is 22 January? (a) Sunday (b) Thursday (c) Friday (d) Saturday
9. 9.If 6 May is a Tuesday, what day of the week is 15 May? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
10. 10.If 15 September is a Thursday, what day of the week is 3 October? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
11. 11.If 10 June is a Wednesday, what day of the week is 17 July? (a) Saturday (b) Sunday (c) Friday (d) Thursday
12. 12.Today is Friday. What day of the week will it be after 58 days? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
13. 13.If 5 October is a Monday, what day of the week is 13 October? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
14. 14.If 25 August is a Sunday, what day of the week is 14 September? (a) Friday (b) Sunday (c) Saturday (d) Monday
15. 15.If 25 July is a Tuesday, what day of the week is 14 August? (a) Sunday (b) Monday (c) Tuesday (d) Wednesday
16. 16.If 29 January is a Monday, what day of the week is 8 February? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
17. 17.If 8 January is a Sunday, what day of the week is 18 January? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
18. 18.If 15 March is a Tuesday, what day of the week is 30 March? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
19. 19.If 15 October is a Sunday, what day of the week is 23 October? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
20. 20.If 10 May is a Saturday, what day of the week is 7 June? (a) Sunday (b) Friday (c) Monday (d) Saturday
21. 21.Today is Friday. What day of the week will it be after 91 days? (a) Sunday (b) Friday (c) Thursday (d) Saturday
22. 22.If 3 July is a Friday, what day of the week is 14 July? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
23. 23.If 15 November is a Wednesday, what day of the week is 4 December? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
24. 24.If 3 May is a Sunday, what day of the week is 15 May? (a) Saturday (b) Friday (c) Thursday (d) Sunday
25. 25.If 7 May is a Sunday, what day of the week is 21 May? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
26. 26.Today is Saturday. What day of the week will it be after 83 days? (a) Sunday (b) Friday (c) Thursday (d) Saturday
27. 27.If 1 August is a Sunday, what day of the week is 14 August? (a) Sunday (b) Friday (c) Saturday (d) Monday
28. 28.If 20 August is a Friday, what day of the week is 20 September? (a) Monday (b) Wednesday (c) Sunday (d) Tuesday
29. 29.If 2 March is a Monday, what day of the week is 17 March? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
30. 30.If 14 March is a Wednesday, what day of the week is 27 March? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
31. 31.Today is Sunday. What day of the week will it be after 20 days? (a) Monday (b) Friday (c) Saturday (d) Sunday
32. 32.Today is Sunday. What day of the week will it be after 49 days? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
33. 33.If 27 April is a Monday, what day of the week is 15 May? (a) Thursday (b) Friday (c) Saturday (d) Sunday
34. 34.Today is Monday. What day of the week will it be after 56 days? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
35. 35.Today is Tuesday. What day of the week will it be after 18 days? (a) Friday (b) Monday (c) Saturday (d) Sunday
36. 36.If 21 January is a Friday, what day of the week is 12 February? (a) Sunday (b) Monday (c) Friday (d) Saturday
37. 37.If 2 May is a Tuesday, what day of the week is 13 May? (a) Sunday (b) Monday (c) Friday (d) Saturday
38. 38.If 29 April is a Saturday, what day of the week is 15 May? (a) Monday (b) Sunday (c) Tuesday (d) Wednesday
39. 39.If 10 September is a Friday, what day of the week is 2 October? (a) Saturday (b) Friday (c) Monday (d) Sunday
40. 40.If 22 May is a Tuesday, what day of the week is 4 June? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday

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