Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 172 · 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 24 October is a Tuesday, what day of the week is 9 November? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
2. 2.Today is Monday. What day of the week will it be after 89 days? (a) Saturday (b) Sunday (c) Friday (d) Monday
3. 3.Today is Sunday. What day of the week will it be after 41 days? (a) Friday (b) Saturday (c) Monday (d) Sunday
4. 4.Today is Sunday. What day of the week will it be after 35 days? (a) Saturday (b) Sunday (c) Monday (d) Tuesday
5. 5.If 30 September is a Monday, what day of the week is 3 October? (a) Friday (b) Thursday (c) Wednesday (d) Saturday
6. 6.If 22 April is a Sunday, what day of the week is 15 May? (a) Tuesday (b) Wednesday (c) Thursday (d) Monday
7. 7.If 26 March is a Tuesday, what day of the week is 1 April? (a) Monday (b) Sunday (c) Tuesday (d) Wednesday
8. 8.If 5 October is a Saturday, what day of the week is 17 October? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
9. 9.If 8 January is a Tuesday, what day of the week is 21 January? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
10. 10.If 11 January is a Monday, what day of the week is 20 January? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
11. 11.If 14 March is a Thursday, what day of the week is 22 March? (a) Saturday (b) Sunday (c) Thursday (d) Friday
12. 12.Today is Thursday. What day of the week will it be after 54 days? (a) Tuesday (b) Wednesday (c) Monday (d) Thursday
13. 13.Today is Friday. What day of the week will it be after 50 days? (a) Sunday (b) Saturday (c) Monday (d) Friday
14. 14.If 12 May is a Sunday, what day of the week is 27 May? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
15. 15.If 22 September is a Thursday, what day of the week is 8 October? (a) Friday (b) Saturday (c) Monday (d) Sunday
16. 16.If 17 January is a Monday, what day of the week is 5 February? (a) Sunday (b) Saturday (c) Monday (d) Friday
17. 17.If 13 June is a Monday, what day of the week is 11 July? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
18. 18.If 21 October is a Saturday, what day of the week is 19 November? (a) Monday (b) Sunday (c) Saturday (d) Tuesday
19. 19.If 19 January is a Wednesday, what day of the week is 10 February? (a) Saturday (b) Wednesday (c) Friday (d) Thursday
20. 20.Today is Wednesday. What day of the week will it be after 36 days? (a) Wednesday (b) Thursday (c) Friday (d) Saturday
21. 21.If 5 October is a Monday, what day of the week is 19 October? (a) Tuesday (b) Monday (c) Sunday (d) Wednesday
22. 22.Today is Sunday. What day of the week will it be after 52 days? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
23. 23.If 15 May is a Tuesday, what day of the week is 29 May? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
24. 24.Today is Friday. What day of the week will it be after 88 days? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
25. 25.Today is Saturday. What day of the week will it be after 91 days? (a) Saturday (b) Sunday (c) Monday (d) Friday
26. 26.Today is Sunday. What day of the week will it be after 85 days? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
27. 27.If 11 May is a Saturday, what day of the week is 26 May? (a) Sunday (b) Monday (c) Saturday (d) Tuesday
28. 28.If 12 December is a Friday, what day of the week is 27 December? (a) Sunday (b) Saturday (c) Friday (d) Monday
29. 29.If 28 June is a Thursday, what day of the week is 20 July? (a) Friday (b) Sunday (c) Thursday (d) Saturday
30. 30.If 29 July is a Sunday, what day of the week is 1 August? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
31. 31.Today is Thursday. What day of the week will it be after 85 days? (a) Thursday (b) Sunday (c) Friday (d) Saturday
32. 32.Today is Saturday. What day of the week will it be after 57 days? (a) Saturday (b) Sunday (c) Monday (d) Tuesday
33. 33.If 3 March is a Monday, what day of the week is 19 March? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
34. 34.If 10 December is a Wednesday, what day of the week is 23 December? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
35. 35.Today is Sunday. What day of the week will it be after 87 days? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
36. 36.Today is Monday. What day of the week will it be after 87 days? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
37. 37.Today is Wednesday. What day of the week will it be after 28 days? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
38. 38.Today is Thursday. What day of the week will it be after 71 days? (a) Sunday (b) Thursday (c) Saturday (d) Friday
39. 39.If 11 March is a Friday, what day of the week is 1 April? (a) Friday (b) Saturday (c) Sunday (d) Thursday
40. 40.If 28 August is a Monday, what day of the week is 14 September? (a) Friday (b) Saturday (c) Wednesday (d) Thursday

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