Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 336 · 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 29 July is a Wednesday, what day of the week is 6 August? (a) Thursday (b) Wednesday (c) Saturday (d) Friday
2. 2.If 6 December is a Monday, what day of the week is 22 December? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
3. 3.Today is Sunday. What day of the week will it be after 21 days? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
4. 4.If 11 September is a Tuesday, what day of the week is 20 October? (a) Sunday (b) Friday (c) Saturday (d) Monday
5. 5.Today is Tuesday. What day of the week will it be after 40 days? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
6. 6.Today is Monday. What day of the week will it be after 80 days? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
7. 7.If 20 April is a Monday, what day of the week is 14 May? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
8. 8.If 5 January is a Tuesday, what day of the week is 17 January? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
9. 9.If 26 June is a Wednesday, what day of the week is 9 July? (a) Tuesday (b) Thursday (c) Wednesday (d) Monday
10. 10.Today is Friday. What day of the week will it be after 49 days? (a) Friday (b) Sunday (c) Saturday (d) Thursday
11. 11.If 13 July is a Friday, what day of the week is 23 July? (a) Monday (b) Sunday (c) Tuesday (d) Wednesday
12. 12.If 7 July is a Thursday, what day of the week is 18 July? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
13. 13.If 14 September is a Saturday, what day of the week is 12 October? (a) Sunday (b) Friday (c) Saturday (d) Monday
14. 14.Today is Tuesday. What day of the week will it be after 65 days? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
15. 15.If 10 October is a Sunday, what day of the week is 20 October? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
16. 16.If 3 October is a Friday, what day of the week is 16 October? (a) Friday (b) Thursday (c) Wednesday (d) Saturday
17. 17.If 7 July is a Thursday, what day of the week is 20 July? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
18. 18.If 8 July is a Tuesday, what day of the week is 20 July? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
19. 19.If 29 April is a Saturday, what day of the week is 3 May? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
20. 20.Today is Friday. What day of the week will it be after 13 days? (a) Thursday (b) Saturday (c) Wednesday (d) Friday
21. 21.If 7 July is a Friday, what day of the week is 16 July? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
22. 22.Today is Wednesday. What day of the week will it be after 26 days? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
23. 23.If 5 January is a Tuesday, what day of the week is 18 January? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
24. 24.If 17 June is a Thursday, what day of the week is 11 July? (a) Sunday (b) Monday (c) Tuesday (d) Saturday
25. 25.If 30 May is a Thursday, what day of the week is 11 June? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
26. 26.Today is Sunday. What day of the week will it be after 81 days? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
27. 27.Today is Sunday. What day of the week will it be after 56 days? (a) Sunday (b) Saturday (c) Monday (d) Tuesday
28. 28.If 14 August is a Tuesday, what day of the week is 28 August? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
29. 29.If 19 June is a Sunday, what day of the week is 7 July? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
30. 30.If 6 March is a Friday, what day of the week is 22 March? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
31. 31.If 19 March is a Saturday, what day of the week is 17 April? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
32. 32.If 12 March is a Wednesday, what day of the week is 23 March? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
33. 33.If 30 January is a Wednesday, what day of the week is 8 February? (a) Thursday (b) Friday (c) Saturday (d) Sunday
34. 34.Today is Tuesday. What day of the week will it be after 74 days? (a) Friday (b) Sunday (c) Monday (d) Saturday
35. 35.If 14 March is a Tuesday, what day of the week is 24 March? (a) Saturday (b) Sunday (c) Friday (d) Thursday
36. 36.If 8 December is a Sunday, what day of the week is 23 December? (a) Wednesday (b) Tuesday (c) Monday (d) Sunday
37. 37.Today is Friday. What day of the week will it be after 53 days? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
38. 38.If 31 August is a Saturday, what day of the week is 18 September? (a) Tuesday (b) Thursday (c) Wednesday (d) Friday
39. 39.If 6 December is a Thursday, what day of the week is 20 December? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
40. 40.Today is Sunday. What day of the week will it be after 82 days? (a) Friday (b) Saturday (c) Thursday (d) Sunday

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