Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 105 · 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.Today is Monday. What day of the week will it be after 71 days? (a) Tuesday (b) Wednesday (c) Thursday (d) Monday
2. 2.If 6 August is a Tuesday, what day of the week is 17 August? (a) Monday (b) Friday (c) Saturday (d) Sunday
3. 3.Today is Monday. What day of the week will it be after 25 days? (a) Friday (b) Thursday (c) Sunday (d) Saturday
4. 4.If 7 July is a Thursday, what day of the week is 18 July? (a) Tuesday (b) Wednesday (c) Sunday (d) Monday
5. 5.If 6 December is a Tuesday, what day of the week is 15 December? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
6. 6.Today is Thursday. What day of the week will it be after 53 days? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
7. 7.If 25 January is a Friday, what day of the week is 9 February? (a) Sunday (b) Saturday (c) Friday (d) Monday
8. 8.Today is Thursday. What day of the week will it be after 76 days? (a) Wednesday (b) Friday (c) Thursday (d) Tuesday
9. 9.If 19 April is a Thursday, what day of the week is 16 May? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
10. 10.If 10 August is a Wednesday, what day of the week is 3 September? (a) Friday (b) Saturday (c) Monday (d) Sunday
11. 11.If 8 August is a Friday, what day of the week is 17 August? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
12. 12.If 13 November is a Tuesday, what day of the week is 15 December? (a) Monday (b) Sunday (c) Friday (d) Saturday
13. 13.If 5 January is a Sunday, what day of the week is 14 January? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
14. 14.If 5 July is a Monday, what day of the week is 21 July? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
15. 15.If 12 October is a Monday, what day of the week is 2 November? (a) Sunday (b) Monday (c) Tuesday (d) Wednesday
16. 16.Today is Friday. What day of the week will it be after 44 days? (a) Sunday (b) Saturday (c) Tuesday (d) Monday
17. 17.If 10 August is a Wednesday, what day of the week is 23 August? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
18. 18.If 12 December is a Monday, what day of the week is 23 December? (a) Thursday (b) Saturday (c) Sunday (d) Friday
19. 19.If 29 September is a Monday, what day of the week is 9 October? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
20. 20.If 27 June is a Monday, what day of the week is 5 July? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday
21. 21.If 31 October is a Tuesday, what day of the week is 4 November? (a) Monday (b) Saturday (c) Sunday (d) Friday
22. 22.If 30 July is a Sunday, what day of the week is 8 August? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
23. 23.Today is Friday. What day of the week will it be after 64 days? (a) Saturday (b) Friday (c) Monday (d) Sunday
24. 24.Today is Friday. What day of the week will it be after 41 days? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
25. 25.If 11 June is a Wednesday, what day of the week is 20 July? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
26. 26.Today is Saturday. What day of the week will it be after 68 days? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
27. 27.If 4 October is a Wednesday, what day of the week is 17 October? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
28. 28.If 7 October is a Monday, what day of the week is 15 October? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
29. 29.If 6 January is a Sunday, what day of the week is 17 January? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
30. 30.Today is Friday. What day of the week will it be after 39 days? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
31. 31.Today is Sunday. What day of the week will it be after 45 days? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
32. 32.If 10 May is a Monday, what day of the week is 18 May? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
33. 33.If 1 October is a Monday, what day of the week is 10 October? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
34. 34.If 8 October is a Wednesday, what day of the week is 17 October? (a) Sunday (b) Friday (c) Thursday (d) Saturday
35. 35.If 6 October is a Saturday, what day of the week is 18 October? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
36. 36.If 14 April is a Thursday, what day of the week is 10 May? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
37. 37.If 26 June is a Thursday, what day of the week is 11 July? (a) Saturday (b) Sunday (c) Thursday (d) Friday
38. 38.Today is Tuesday. What day of the week will it be after 11 days? (a) Monday (b) Saturday (c) Sunday (d) Friday
39. 39.If 9 July is a Friday, what day of the week is 20 July? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
40. 40.If 5 October is a Friday, what day of the week is 21 October? (a) Monday (b) Sunday (c) Tuesday (d) Saturday

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