Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 53 · 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 13 June is a Tuesday, what day of the week is 6 July? (a) Thursday (b) Saturday (c) Wednesday (d) Friday
2. 2.If 18 April is a Wednesday, what day of the week is 3 May? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
3. 3.If 14 March is a Friday, what day of the week is 22 March? (a) Saturday (b) Monday (c) Friday (d) Sunday
4. 4.If 8 October is a Friday, what day of the week is 18 October? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
5. 5.If 14 January is a Monday, what day of the week is 17 February? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
6. 6.If 1 January is a Friday, what day of the week is 14 January? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
7. 7.If 17 November is a Saturday, what day of the week is 4 December? (a) Tuesday (b) Wednesday (c) Thursday (d) Monday
8. 8.If 2 October is a Saturday, what day of the week is 13 October? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
9. 9.If 8 January is a Monday, what day of the week is 24 January? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
10. 10.If 8 December is a Saturday, what day of the week is 24 December? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
11. 11.If 20 October is a Tuesday, what day of the week is 20 November? (a) Saturday (b) Sunday (c) Friday (d) Thursday
12. 12.If 12 January is a Tuesday, what day of the week is 27 January? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
13. 13.Today is Wednesday. What day of the week will it be after 48 days? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
14. 14.If 1 December is a Thursday, what day of the week is 17 December? (a) Sunday (b) Saturday (c) Friday (d) Monday
15. 15.Today is Wednesday. What day of the week will it be after 31 days? (a) Sunday (b) Saturday (c) Friday (d) Monday
16. 16.If 9 August is a Monday, what day of the week is 25 August? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
17. 17.If 4 March is a Thursday, what day of the week is 15 March? (a) Sunday (b) Monday (c) Tuesday (d) Wednesday
18. 18.Today is Friday. What day of the week will it be after 26 days? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
19. 19.If 12 October is a Tuesday, what day of the week is 15 November? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
20. 20.Today is Thursday. What day of the week will it be after 21 days? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
21. 21.If 2 January is a Wednesday, what day of the week is 13 January? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
22. 22.If 7 July is a Thursday, what day of the week is 15 July? (a) Saturday (b) Sunday (c) Thursday (d) Friday
23. 23.If 3 July is a Thursday, what day of the week is 19 July? (a) Saturday (b) Monday (c) Sunday (d) Friday
24. 24.Today is Tuesday. What day of the week will it be after 85 days? (a) Wednesday (b) Thursday (c) Tuesday (d) Friday
25. 25.If 14 August is a Wednesday, what day of the week is 26 August? (a) Monday (b) Tuesday (c) Sunday (d) Wednesday
26. 26.If 21 March is a Saturday, what day of the week is 14 April? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
27. 27.If 3 January is a Friday, what day of the week is 11 January? (a) Saturday (b) Sunday (c) Monday (d) Friday
28. 28.If 9 March is a Friday, what day of the week is 24 March? (a) Sunday (b) Monday (c) Saturday (d) Friday
29. 29.Today is Wednesday. What day of the week will it be after 27 days? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
30. 30.If 28 March is a Thursday, what day of the week is 1 April? (a) Tuesday (b) Monday (c) Sunday (d) Wednesday
31. 31.If 25 October is a Thursday, what day of the week is 12 November? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
32. 32.If 22 September is a Monday, what day of the week is 11 October? (a) Saturday (b) Monday (c) Friday (d) Sunday
33. 33.Today is Sunday. What day of the week will it be after 36 days? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
34. 34.Today is Sunday. What day of the week will it be after 15 days? (a) Sunday (b) Monday (c) Tuesday (d) Wednesday
35. 35.If 15 August is a Thursday, what day of the week is 31 August? (a) Sunday (b) Friday (c) Monday (d) Saturday
36. 36.If 8 January is a Wednesday, what day of the week is 20 January? (a) Monday (b) Sunday (c) Wednesday (d) Tuesday
37. 37.If 1 August is a Tuesday, what day of the week is 13 August? (a) Sunday (b) Monday (c) Saturday (d) Tuesday
38. 38.If 24 August is a Saturday, what day of the week is 6 September? (a) Saturday (b) Sunday (c) Thursday (d) Friday
39. 39.If 12 December is a Thursday, what day of the week is 24 December? (a) Tuesday (b) Thursday (c) Monday (d) Wednesday
40. 40.If 5 August is a Sunday, what day of the week is 19 August? (a) Sunday (b) Monday (c) Tuesday (d) Saturday

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