Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 94 · 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 31 January is a Wednesday, what day of the week is 18 February? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
2. 2.If 3 October is a Tuesday, what day of the week is 12 October? (a) Thursday (b) Friday (c) Saturday (d) Wednesday
3. 3.If 5 August is a Saturday, what day of the week is 17 August? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
4. 4.If 31 August is a Tuesday, what day of the week is 4 September? (a) Monday (b) Saturday (c) Sunday (d) Friday
5. 5.If 26 June is a Friday, what day of the week is 5 July? (a) Sunday (b) Monday (c) Tuesday (d) Saturday
6. 6.If 4 March is a Friday, what day of the week is 17 March? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
7. 7.If 19 August is a Saturday, what day of the week is 19 September? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
8. 8.If 14 January is a Friday, what day of the week is 23 January? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
9. 9.If 3 October is a Friday, what day of the week is 18 October? (a) Friday (b) Sunday (c) Monday (d) Saturday
10. 10.If 10 January is a Friday, what day of the week is 21 January? (a) Tuesday (b) Monday (c) Wednesday (d) Thursday
11. 11.Today is Sunday. What day of the week will it be after 19 days? (a) Sunday (b) Friday (c) Saturday (d) Thursday
12. 12.Today is Sunday. What day of the week will it be after 89 days? (a) Saturday (b) Sunday (c) Thursday (d) Friday
13. 13.If 7 July is a Friday, what day of the week is 19 July? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
14. 14.Today is Wednesday. What day of the week will it be after 19 days? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
15. 15.Today is Saturday. What day of the week will it be after 52 days? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
16. 16.Today is Thursday. What day of the week will it be after 15 days? (a) Saturday (b) Sunday (c) Thursday (d) Friday
17. 17.If 4 May is a Monday, what day of the week is 14 May? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
18. 18.If 10 March is a Monday, what day of the week is 23 March? (a) Monday (b) Sunday (c) Saturday (d) Tuesday
19. 19.If 3 March is a Saturday, what day of the week is 12 March? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
20. 20.If 26 May is a Sunday, what day of the week is 12 June? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
21. 21.If 15 January is a Wednesday, what day of the week is 30 January? (a) Thursday (b) Wednesday (c) Friday (d) Saturday
22. 22.Today is Sunday. What day of the week will it be after 88 days? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
23. 23.If 7 January is a Sunday, what day of the week is 20 January? (a) Saturday (b) Monday (c) Friday (d) Sunday
24. 24.Today is Sunday. What day of the week will it be after 95 days? (a) Thursday (b) Friday (c) Saturday (d) Wednesday
25. 25.If 21 April is a Tuesday, what day of the week is 5 May? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
26. 26.If 26 August is a Monday, what day of the week is 14 September? (a) Sunday (b) Friday (c) Saturday (d) Monday
27. 27.If 25 April is a Monday, what day of the week is 14 May? (a) Saturday (b) Monday (c) Sunday (d) Friday
28. 28.If 17 January is a Saturday, what day of the week is 15 February? (a) Saturday (b) Sunday (c) Monday (d) Tuesday
29. 29.Today is Saturday. What day of the week will it be after 29 days? (a) Monday (b) Sunday (c) Tuesday (d) Saturday
30. 30.Today is Saturday. What day of the week will it be after 84 days? (a) Sunday (b) Saturday (c) Friday (d) Monday
31. 31.If 27 April is a Monday, what day of the week is 10 May? (a) Saturday (b) Sunday (c) Monday (d) Tuesday
32. 32.If 10 December is a Friday, what day of the week is 18 December? (a) Sunday (b) Monday (c) Friday (d) Saturday
33. 33.If 9 December is a Tuesday, what day of the week is 17 December? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
34. 34.If 29 July is a Monday, what day of the week is 13 August? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
35. 35.If 15 September is a Saturday, what day of the week is 1 October? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
36. 36.Today is Saturday. What day of the week will it be after 42 days? (a) Friday (b) Sunday (c) Saturday (d) Monday
37. 37.If 13 July is a Wednesday, what day of the week is 26 July? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
38. 38.Today is Friday. What day of the week will it be after 64 days? (a) Sunday (b) Monday (c) Friday (d) Saturday
39. 39.If 23 March is a Wednesday, what day of the week is 6 April? (a) Tuesday (b) Thursday (c) Wednesday (d) Friday
40. 40.If 7 October is a Wednesday, what day of the week is 21 October? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday

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