Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 408 · 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 19 January is a Saturday, what day of the week is 18 February? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
2. 2.If 4 January is a Sunday, what day of the week is 16 January? (a) Thursday (b) Sunday (c) Friday (d) Saturday
3. 3.If 3 July is a Sunday, what day of the week is 12 July? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
4. 4.Today is Monday. What day of the week will it be after 17 days? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
5. 5.Today is Sunday. What day of the week will it be after 49 days? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
6. 6.If 6 August is a Saturday, what day of the week is 15 August? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
7. 7.If 7 March is a Tuesday, what day of the week is 21 March? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
8. 8.Today is Monday. What day of the week will it be after 14 days? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
9. 9.If 14 July is a Sunday, what day of the week is 4 August? (a) Tuesday (b) Monday (c) Sunday (d) Saturday
10. 10.Today is Saturday. What day of the week will it be after 10 days? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday
11. 11.If 12 September is a Monday, what day of the week is 14 October? (a) Saturday (b) Sunday (c) Friday (d) Thursday
12. 12.If 2 October is a Thursday, what day of the week is 10 October? (a) Sunday (b) Friday (c) Thursday (d) Saturday
13. 13.If 16 April is a Friday, what day of the week is 3 May? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
14. 14.If 10 August is a Monday, what day of the week is 2 September? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
15. 15.If 12 July is a Sunday, what day of the week is 2 August? (a) Tuesday (b) Monday (c) Sunday (d) Saturday
16. 16.Today is Sunday. What day of the week will it be after 12 days? (a) Saturday (b) Friday (c) Thursday (d) Sunday
17. 17.If 10 December is a Monday, what day of the week is 26 December? (a) Wednesday (b) Friday (c) Thursday (d) Tuesday
18. 18.If 6 October is a Tuesday, what day of the week is 22 October? (a) Thursday (b) Saturday (c) Friday (d) Wednesday
19. 19.If 15 May is a Saturday, what day of the week is 30 May? (a) Sunday (b) Monday (c) Tuesday (d) Saturday
20. 20.If 1 August is a Thursday, what day of the week is 17 August? (a) Friday (b) Monday (c) Saturday (d) Sunday
21. 21.If 15 March is a Friday, what day of the week is 9 April? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
22. 22.If 3 December is a Thursday, what day of the week is 12 December? (a) Sunday (b) Saturday (c) Monday (d) Friday
23. 23.Today is Thursday. What day of the week will it be after 48 days? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
24. 24.If 14 November is a Friday, what day of the week is 16 December? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
25. 25.If 27 September is a Friday, what day of the week is 7 October? (a) Wednesday (b) Monday (c) Sunday (d) Tuesday
26. 26.If 11 May is a Wednesday, what day of the week is 25 May? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
27. 27.If 8 March is a Tuesday, what day of the week is 23 March? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
28. 28.If 29 November is a Sunday, what day of the week is 19 December? (a) Sunday (b) Monday (c) Saturday (d) Friday
29. 29.If 12 October is a Sunday, what day of the week is 15 November? (a) Monday (b) Saturday (c) Friday (d) Sunday
30. 30.If 22 October is a Sunday, what day of the week is 18 November? (a) Friday (b) Monday (c) Saturday (d) Sunday
31. 31.If 1 July is a Wednesday, what day of the week is 9 July? (a) Thursday (b) Saturday (c) Wednesday (d) Friday
32. 32.If 30 October is a Saturday, what day of the week is 15 November? (a) Monday (b) Wednesday (c) Tuesday (d) Sunday
33. 33.Today is Monday. What day of the week will it be after 26 days? (a) Sunday (b) Saturday (c) Monday (d) Friday
34. 34.If 25 March is a Wednesday, what day of the week is 17 April? (a) Friday (b) Thursday (c) Saturday (d) Sunday
35. 35.If 5 December is a Thursday, what day of the week is 19 December? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
36. 36.If 6 August is a Monday, what day of the week is 17 August? (a) Sunday (b) Thursday (c) Saturday (d) Friday
37. 37.If 10 July is a Wednesday, what day of the week is 9 August? (a) Thursday (b) Sunday (c) Saturday (d) Friday
38. 38.If 14 October is a Monday, what day of the week is 22 October? (a) Wednesday (b) Tuesday (c) Thursday (d) Monday
39. 39.Today is Tuesday. What day of the week will it be after 12 days? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
40. 40.If 27 September is a Tuesday, what day of the week is 9 October? (a) Tuesday (b) Saturday (c) Monday (d) Sunday

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