Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 20 · 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 Wednesday. What day of the week will it be after 67 days? (a) Sunday (b) Tuesday (c) Monday (d) Saturday
2. 2.Today is Wednesday. What day of the week will it be after 54 days? (a) Tuesday (b) Monday (c) Sunday (d) Wednesday
3. 3.If 4 August is a Monday, what day of the week is 14 August? (a) Thursday (b) Wednesday (c) Friday (d) Saturday
4. 4.If 23 October is a Thursday, what day of the week is 3 November? (a) Sunday (b) Monday (c) Tuesday (d) Wednesday
5. 5.If 14 March is a Saturday, what day of the week is 11 April? (a) Monday (b) Saturday (c) Sunday (d) Friday
6. 6.Today is Wednesday. What day of the week will it be after 39 days? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
7. 7.If 25 March is a Wednesday, what day of the week is 20 April? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
8. 8.If 4 October is a Friday, what day of the week is 15 October? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
9. 9.Today is Monday. What day of the week will it be after 22 days? (a) Tuesday (b) Wednesday (c) Thursday (d) Monday
10. 10.If 29 June is a Wednesday, what day of the week is 16 July? (a) Monday (b) Sunday (c) Saturday (d) Friday
11. 11.If 15 January is a Tuesday, what day of the week is 1 February? (a) Thursday (b) Saturday (c) Sunday (d) Friday
12. 12.If 27 July is a Saturday, what day of the week is 5 August? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
13. 13.If 15 January is a Monday, what day of the week is 30 January? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
14. 14.If 17 March is a Tuesday, what day of the week is 6 April? (a) Monday (b) Sunday (c) Wednesday (d) Tuesday
15. 15.If 1 October is a Friday, what day of the week is 11 October? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
16. 16.If 5 July is a Tuesday, what day of the week is 18 July? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
17. 17.Today is Sunday. What day of the week will it be after 52 days? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
18. 18.If 2 March is a Saturday, what day of the week is 12 March? (a) Tuesday (b) Thursday (c) Monday (d) Wednesday
19. 19.If 6 August is a Monday, what day of the week is 17 August? (a) Friday (b) Thursday (c) Sunday (d) Saturday
20. 20.If 6 May is a Thursday, what day of the week is 17 May? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
21. 21.If 5 October is a Saturday, what day of the week is 19 October? (a) Friday (b) Monday (c) Sunday (d) Saturday
22. 22.If 12 September is a Sunday, what day of the week is 7 October? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
23. 23.If 30 April is a Wednesday, what day of the week is 17 May? (a) Friday (b) Sunday (c) Monday (d) Saturday
24. 24.If 12 December is a Friday, what day of the week is 25 December? (a) Saturday (b) Wednesday (c) Friday (d) Thursday
25. 25.If 28 January is a Saturday, what day of the week is 2 February? (a) Thursday (b) Wednesday (c) Saturday (d) Friday
26. 26.Today is Wednesday. What day of the week will it be after 78 days? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
27. 27.If 3 July is a Sunday, what day of the week is 17 July? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
28. 28.If 10 December is a Tuesday, what day of the week is 20 December? (a) Friday (b) Sunday (c) Saturday (d) Thursday
29. 29.Today is Sunday. What day of the week will it be after 59 days? (a) Wednesday (b) Thursday (c) Tuesday (d) Friday
30. 30.If 4 May is a Saturday, what day of the week is 15 May? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
31. 31.If 18 August is a Saturday, what day of the week is 16 September? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
32. 32.If 3 March is a Thursday, what day of the week is 13 March? (a) Tuesday (b) Monday (c) Sunday (d) Saturday
33. 33.If 14 October is a Friday, what day of the week is 26 October? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
34. 34.If 1 October is a Thursday, what day of the week is 16 October? (a) Friday (b) Thursday (c) Sunday (d) Saturday
35. 35.If 4 January is a Sunday, what day of the week is 15 January? (a) Thursday (b) Saturday (c) Wednesday (d) Friday
36. 36.Today is Thursday. What day of the week will it be after 13 days? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
37. 37.If 15 January is a Tuesday, what day of the week is 25 January? (a) Thursday (b) Saturday (c) Sunday (d) Friday
38. 38.Today is Thursday. What day of the week will it be after 96 days? (a) Wednesday (b) Tuesday (c) Thursday (d) Monday
39. 39.Today is Sunday. What day of the week will it be after 20 days? (a) Saturday (b) Monday (c) Sunday (d) Friday
40. 40.If 12 October is a Wednesday, what day of the week is 27 October? (a) Saturday (b) Wednesday (c) Friday (d) Thursday

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