Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 220 · 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 Thursday. What day of the week will it be after 75 days? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
2. 2.Today is Thursday. What day of the week will it be after 11 days? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
3. 3.Today is Monday. What day of the week will it be after 70 days? (a) Tuesday (b) Wednesday (c) Sunday (d) Monday
4. 4.If 14 May is a Tuesday, what day of the week is 14 June? (a) Saturday (b) Thursday (c) Sunday (d) Friday
5. 5.If 4 March is a Sunday, what day of the week is 18 March? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
6. 6.Today is Sunday. What day of the week will it be after 98 days? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
7. 7.If 31 August is a Friday, what day of the week is 12 September? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
8. 8.Today is Sunday. What day of the week will it be after 96 days? (a) Friday (b) Saturday (c) Thursday (d) Sunday
9. 9.If 3 May is a Wednesday, what day of the week is 17 May? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
10. 10.Today is Monday. What day of the week will it be after 28 days? (a) Tuesday (b) Monday (c) Wednesday (d) Sunday
11. 11.Today is Wednesday. What day of the week will it be after 68 days? (a) Tuesday (b) Monday (c) Sunday (d) Wednesday
12. 12.If 28 September is a Friday, what day of the week is 1 October? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
13. 13.If 11 July is a Friday, what day of the week is 23 July? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
14. 14.If 17 March is a Thursday, what day of the week is 1 April? (a) Saturday (b) Sunday (c) Friday (d) Thursday
15. 15.Today is Friday. What day of the week will it be after 71 days? (a) Sunday (b) Saturday (c) Monday (d) Friday
16. 16.If 21 April is a Saturday, what day of the week is 11 May? (a) Friday (b) Saturday (c) Sunday (d) Thursday
17. 17.Today is Friday. What day of the week will it be after 60 days? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
18. 18.Today is Friday. What day of the week will it be after 84 days? (a) Thursday (b) Sunday (c) Friday (d) Saturday
19. 19.If 13 May is a Saturday, what day of the week is 24 May? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
20. 20.If 6 December is a Sunday, what day of the week is 15 December? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
21. 21.If 21 April is a Monday, what day of the week is 4 May? (a) Sunday (b) Monday (c) Saturday (d) Tuesday
22. 22.If 12 December is a Tuesday, what day of the week is 27 December? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
23. 23.If 28 March is a Sunday, what day of the week is 8 April? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
24. 24.Today is Monday. What day of the week will it be after 22 days? (a) Wednesday (b) Tuesday (c) Thursday (d) Monday
25. 25.If 9 January is a Friday, what day of the week is 17 January? (a) Monday (b) Sunday (c) Friday (d) Saturday
26. 26.Today is Saturday. What day of the week will it be after 80 days? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
27. 27.If 23 April is a Monday, what day of the week is 6 May? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
28. 28.If 2 October is a Tuesday, what day of the week is 11 October? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
29. 29.Today is Sunday. What day of the week will it be after 90 days? (a) Sunday (b) Monday (c) Friday (d) Saturday
30. 30.If 18 November is a Friday, what day of the week is 12 December? (a) Wednesday (b) Monday (c) Sunday (d) Tuesday
31. 31.If 13 May is a Tuesday, what day of the week is 17 June? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
32. 32.If 1 July is a Wednesday, what day of the week is 10 July? (a) Thursday (b) Sunday (c) Friday (d) Saturday
33. 33.If 7 January is a Monday, what day of the week is 23 January? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
34. 34.If 5 January is a Wednesday, what day of the week is 20 January? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
35. 35.Today is Thursday. What day of the week will it be after 53 days? (a) Monday (b) Wednesday (c) Sunday (d) Tuesday
36. 36.Today is Monday. What day of the week will it be after 93 days? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
37. 37.If 30 August is a Thursday, what day of the week is 8 September? (a) Friday (b) Sunday (c) Monday (d) Saturday
38. 38.Today is Saturday. What day of the week will it be after 88 days? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
39. 39.If 11 October is a Monday, what day of the week is 20 October? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
40. 40.Today is Monday. What day of the week will it be after 42 days? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday

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