Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 13 · 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 8 March is a Sunday, what day of the week is 21 March? (a) Saturday (b) Friday (c) Monday (d) Sunday
2. 2.If 13 January is a Monday, what day of the week is 23 January? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
3. 3.If 27 January is a Wednesday, what day of the week is 14 February? (a) Tuesday (b) Monday (c) Sunday (d) Saturday
4. 4.If 16 November is a Friday, what day of the week is 13 December? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
5. 5.If 11 December is a Sunday, what day of the week is 25 December? (a) Sunday (b) Tuesday (c) Saturday (d) Monday
6. 6.Today is Thursday. What day of the week will it be after 15 days? (a) Saturday (b) Friday (c) Thursday (d) Sunday
7. 7.If 13 October is a Thursday, what day of the week is 21 October? (a) Friday (b) Sunday (c) Saturday (d) Thursday
8. 8.If 1 July is a Sunday, what day of the week is 15 July? (a) Sunday (b) Monday (c) Saturday (d) Tuesday
9. 9.If 13 March is a Wednesday, what day of the week is 28 March? (a) Thursday (b) Wednesday (c) Saturday (d) Friday
10. 10.Today is Friday. What day of the week will it be after 26 days? (a) Wednesday (b) Tuesday (c) Friday (d) Thursday
11. 11.If 10 September is a Friday, what day of the week is 11 October? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
12. 12.If 10 March is a Monday, what day of the week is 18 April? (a) Friday (b) Sunday (c) Thursday (d) Saturday
13. 13.Today is Thursday. What day of the week will it be after 85 days? (a) Saturday (b) Thursday (c) Sunday (d) Friday
14. 14.Today is Thursday. What day of the week will it be after 80 days? (a) Monday (b) Sunday (c) Tuesday (d) Saturday
15. 15.Today is Monday. What day of the week will it be after 20 days? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
16. 16.If 10 October is a Monday, what day of the week is 25 October? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
17. 17.Today is Friday. What day of the week will it be after 33 days? (a) Wednesday (b) Thursday (c) Tuesday (d) Friday
18. 18.If 8 July is a Saturday, what day of the week is 20 July? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
19. 19.If 13 January is a Tuesday, what day of the week is 24 January? (a) Saturday (b) Sunday (c) Monday (d) Friday
20. 20.If 25 March is a Friday, what day of the week is 4 April? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
21. 21.Today is Saturday. What day of the week will it be after 12 days? (a) Thursday (b) Friday (c) Saturday (d) Wednesday
22. 22.Today is Friday. What day of the week will it be after 28 days? (a) Saturday (b) Sunday (c) Friday (d) Thursday
23. 23.If 8 October is a Sunday, what day of the week is 19 October? (a) Thursday (b) Wednesday (c) Friday (d) Saturday
24. 24.If 16 June is a Sunday, what day of the week is 5 July? (a) Friday (b) Thursday (c) Sunday (d) Saturday
25. 25.If 11 September is a Friday, what day of the week is 14 October? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
26. 26.If 4 August is a Sunday, what day of the week is 16 August? (a) Thursday (b) Saturday (c) Friday (d) Sunday
27. 27.If 29 August is a Sunday, what day of the week is 2 September? (a) Thursday (b) Saturday (c) Friday (d) Wednesday
28. 28.If 1 March is a Thursday, what day of the week is 12 March? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
29. 29.If 2 July is a Thursday, what day of the week is 13 July? (a) Tuesday (b) Wednesday (c) Sunday (d) Monday
30. 30.Today is Thursday. What day of the week will it be after 46 days? (a) Monday (b) Sunday (c) Tuesday (d) Wednesday
31. 31.If 1 October is a Wednesday, what day of the week is 14 October? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
32. 32.If 14 October is a Monday, what day of the week is 1 November? (a) Saturday (b) Sunday (c) Friday (d) Thursday
33. 33.Today is Wednesday. What day of the week will it be after 93 days? (a) Saturday (b) Thursday (c) Sunday (d) Friday
34. 34.If 1 January is a Tuesday, what day of the week is 9 January? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
35. 35.If 6 May is a Sunday, what day of the week is 21 May? (a) Monday (b) Wednesday (c) Sunday (d) Tuesday
36. 36.If 18 June is a Wednesday, what day of the week is 19 July? (a) Sunday (b) Friday (c) Monday (d) Saturday
37. 37.If 14 August is a Tuesday, what day of the week is 30 August? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
38. 38.Today is Monday. What day of the week will it be after 22 days? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
39. 39.If 12 December is a Monday, what day of the week is 27 December? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
40. 40.If 10 October is a Saturday, what day of the week is 6 November? (a) Thursday (b) Sunday (c) Friday (d) Saturday

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