Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 364 · 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 15 August is a Tuesday, what day of the week is 31 August? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
2. 2.If 12 October is a Tuesday, what day of the week is 19 November? (a) Sunday (b) Friday (c) Thursday (d) Saturday
3. 3.If 30 October is a Tuesday, what day of the week is 7 November? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
4. 4.Today is Thursday. What day of the week will it be after 71 days? (a) Saturday (b) Thursday (c) Friday (d) Sunday
5. 5.If 21 May is a Monday, what day of the week is 14 June? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
6. 6.If 7 January is a Sunday, what day of the week is 23 January? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
7. 7.If 10 January is a Friday, what day of the week is 5 February? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
8. 8.Today is Monday. What day of the week will it be after 70 days? (a) Wednesday (b) Tuesday (c) Monday (d) Sunday
9. 9.If 13 August is a Sunday, what day of the week is 29 August? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
10. 10.Today is Saturday. What day of the week will it be after 14 days? (a) Sunday (b) Friday (c) Saturday (d) Monday
11. 11.Today is Wednesday. What day of the week will it be after 31 days? (a) Sunday (b) Friday (c) Monday (d) Saturday
12. 12.If 3 March is a Monday, what day of the week is 12 March? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
13. 13.Today is Tuesday. What day of the week will it be after 20 days? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
14. 14.If 2 August is a Thursday, what day of the week is 10 August? (a) Thursday (b) Sunday (c) Saturday (d) Friday
15. 15.If 2 December is a Thursday, what day of the week is 11 December? (a) Friday (b) Saturday (c) Monday (d) Sunday
16. 16.If 17 August is a Tuesday, what day of the week is 4 September? (a) Saturday (b) Sunday (c) Friday (d) Monday
17. 17.If 1 October is a Monday, what day of the week is 11 October? (a) Thursday (b) Friday (c) Saturday (d) Wednesday
18. 18.If 3 October is a Saturday, what day of the week is 14 October? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
19. 19.Today is Sunday. What day of the week will it be after 68 days? (a) Friday (b) Sunday (c) Thursday (d) Saturday
20. 20.If 27 April is a Wednesday, what day of the week is 4 May? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
21. 21.If 6 December is a Sunday, what day of the week is 18 December? (a) Sunday (b) Friday (c) Saturday (d) Thursday
22. 22.If 23 September is a Monday, what day of the week is 4 October? (a) Friday (b) Saturday (c) Sunday (d) Thursday
23. 23.Today is Tuesday. What day of the week will it be after 52 days? (a) Sunday (b) Friday (c) Thursday (d) Saturday
24. 24.Today is Saturday. What day of the week will it be after 92 days? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
25. 25.Today is Sunday. What day of the week will it be after 33 days? (a) Saturday (b) Friday (c) Sunday (d) Thursday
26. 26.Today is Wednesday. What day of the week will it be after 43 days? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
27. 27.If 16 August is a Friday, what day of the week is 3 September? (a) Tuesday (b) Thursday (c) Monday (d) Wednesday
28. 28.If 1 October is a Tuesday, what day of the week is 11 October? (a) Sunday (b) Saturday (c) Friday (d) Thursday
29. 29.If 22 April is a Saturday, what day of the week is 2 May? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
30. 30.If 12 August is a Saturday, what day of the week is 15 September? (a) Thursday (b) Sunday (c) Saturday (d) Friday
31. 31.Today is Monday. What day of the week will it be after 19 days? (a) Saturday (b) Friday (c) Monday (d) Sunday
32. 32.Today is Friday. What day of the week will it be after 56 days? (a) Saturday (b) Sunday (c) Friday (d) Thursday
33. 33.Today is Wednesday. What day of the week will it be after 26 days? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
34. 34.Today is Saturday. What day of the week will it be after 91 days? (a) Sunday (b) Saturday (c) Monday (d) Friday
35. 35.If 13 August is a Tuesday, what day of the week is 10 September? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
36. 36.If 20 November is a Saturday, what day of the week is 6 December? (a) Sunday (b) Monday (c) Tuesday (d) Wednesday
37. 37.If 19 October is a Tuesday, what day of the week is 7 November? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
38. 38.If 14 October is a Friday, what day of the week is 25 October? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
39. 39.If 7 May is a Friday, what day of the week is 18 May? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
40. 40.If 16 October is a Thursday, what day of the week is 3 November? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday

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