Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 140 · 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 Sunday. What day of the week will it be after 18 days? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
2. 2.Today is Friday. What day of the week will it be after 39 days? (a) Tuesday (b) Monday (c) Wednesday (d) Thursday
3. 3.If 11 October is a Sunday, what day of the week is 6 November? (a) Saturday (b) Sunday (c) Friday (d) Thursday
4. 4.If 13 January is a Monday, what day of the week is 22 January? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
5. 5.If 11 January is a Monday, what day of the week is 21 January? (a) Thursday (b) Saturday (c) Friday (d) Wednesday
6. 6.If 5 December is a Monday, what day of the week is 14 December? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
7. 7.If 22 June is a Wednesday, what day of the week is 12 July? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
8. 8.Today is Wednesday. What day of the week will it be after 12 days? (a) Wednesday (b) Tuesday (c) Monday (d) Sunday
9. 9.Today is Wednesday. What day of the week will it be after 51 days? (a) Saturday (b) Friday (c) Thursday (d) Sunday
10. 10.If 11 July is a Friday, what day of the week is 25 July? (a) Saturday (b) Sunday (c) Thursday (d) Friday
11. 11.If 20 January is a Monday, what day of the week is 6 February? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
12. 12.Today is Sunday. What day of the week will it be after 15 days? (a) Monday (b) Sunday (c) Wednesday (d) Tuesday
13. 13.If 1 December is a Wednesday, what day of the week is 16 December? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
14. 14.If 13 July is a Sunday, what day of the week is 28 July? (a) Tuesday (b) Wednesday (c) Sunday (d) Monday
15. 15.If 28 August is a Friday, what day of the week is 18 September? (a) Friday (b) Saturday (c) Sunday (d) Thursday
16. 16.Today is Sunday. What day of the week will it be after 62 days? (a) Sunday (b) Saturday (c) Friday (d) Monday
17. 17.Today is Sunday. What day of the week will it be after 96 days? (a) Sunday (b) Thursday (c) Saturday (d) Friday
18. 18.Today is Friday. What day of the week will it be after 54 days? (a) Tuesday (b) Thursday (c) Wednesday (d) Friday
19. 19.If 15 March is a Thursday, what day of the week is 9 April? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
20. 20.Today is Sunday. What day of the week will it be after 31 days? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
21. 21.If 15 July is a Monday, what day of the week is 16 August? (a) Saturday (b) Sunday (c) Thursday (d) Friday
22. 22.If 13 July is a Sunday, what day of the week is 26 July? (a) Sunday (b) Monday (c) Friday (d) Saturday
23. 23.Today is Monday. What day of the week will it be after 47 days? (a) Sunday (b) Friday (c) Monday (d) Saturday
24. 24.If 22 August is a Wednesday, what day of the week is 2 September? (a) Sunday (b) Saturday (c) Tuesday (d) Monday
25. 25.If 26 April is a Sunday, what day of the week is 4 May? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
26. 26.If 13 November is a Monday, what day of the week is 9 December? (a) Sunday (b) Monday (c) Friday (d) Saturday
27. 27.Today is Friday. What day of the week will it be after 73 days? (a) Wednesday (b) Monday (c) Tuesday (d) Sunday
28. 28.If 11 December is a Saturday, what day of the week is 24 December? (a) Sunday (b) Thursday (c) Friday (d) Saturday
29. 29.If 14 November is a Thursday, what day of the week is 20 December? (a) Saturday (b) Thursday (c) Sunday (d) Friday
30. 30.If 13 March is a Thursday, what day of the week is 1 April? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
31. 31.If 12 March is a Tuesday, what day of the week is 27 March? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
32. 32.Today is Friday. What day of the week will it be after 93 days? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
33. 33.If 18 July is a Friday, what day of the week is 17 August? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
34. 34.Today is Thursday. What day of the week will it be after 35 days? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
35. 35.If 14 April is a Monday, what day of the week is 3 May? (a) Sunday (b) Friday (c) Saturday (d) Monday
36. 36.Today is Wednesday. What day of the week will it be after 88 days? (a) Tuesday (b) Sunday (c) Monday (d) Saturday
37. 37.If 3 July is a Wednesday, what day of the week is 18 July? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
38. 38.If 16 September is a Friday, what day of the week is 16 October? (a) Tuesday (b) Sunday (c) Saturday (d) Monday
39. 39.If 5 August is a Friday, what day of the week is 20 August? (a) Sunday (b) Saturday (c) Friday (d) Monday
40. 40.If 9 July is a Tuesday, what day of the week is 21 July? (a) Sunday (b) Monday (c) Tuesday (d) Saturday

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