Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 367 · 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 10 August is a Friday, what day of the week is 26 August? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
2. 2.If 5 May is a Tuesday, what day of the week is 13 May? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
3. 3.If 19 October is a Tuesday, what day of the week is 4 November? (a) Thursday (b) Wednesday (c) Saturday (d) Friday
4. 4.Today is Friday. What day of the week will it be after 25 days? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
5. 5.If 1 January is a Monday, what day of the week is 12 January? (a) Thursday (b) Friday (c) Sunday (d) Saturday
6. 6.Today is Monday. What day of the week will it be after 100 days? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
7. 7.If 1 December is a Monday, what day of the week is 9 December? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
8. 8.Today is Monday. What day of the week will it be after 76 days? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
9. 9.If 29 November is a Saturday, what day of the week is 15 December? (a) Tuesday (b) Monday (c) Wednesday (d) Sunday
10. 10.If 12 May is a Wednesday, what day of the week is 27 May? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
11. 11.If 1 January is a Saturday, what day of the week is 14 January? (a) Saturday (b) Friday (c) Sunday (d) Thursday
12. 12.If 17 January is a Sunday, what day of the week is 8 February? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
13. 13.If 16 July is a Wednesday, what day of the week is 13 August? (a) Wednesday (b) Thursday (c) Tuesday (d) Friday
14. 14.If 28 October is a Saturday, what day of the week is 18 November? (a) Monday (b) Friday (c) Sunday (d) Saturday
15. 15.If 5 January is a Thursday, what day of the week is 20 January? (a) Saturday (b) Thursday (c) Friday (d) Sunday
16. 16.Today is Monday. What day of the week will it be after 16 days? (a) Wednesday (b) Tuesday (c) Friday (d) Thursday
17. 17.Today is Monday. What day of the week will it be after 74 days? (a) Friday (b) Sunday (c) Thursday (d) Saturday
18. 18.If 12 August is a Tuesday, what day of the week is 25 August? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
19. 19.If 11 December is a Tuesday, what day of the week is 23 December? (a) Sunday (b) Tuesday (c) Saturday (d) Monday
20. 20.If 4 May is a Tuesday, what day of the week is 15 May? (a) Sunday (b) Friday (c) Monday (d) Saturday
21. 21.If 1 May is a Sunday, what day of the week is 13 May? (a) Thursday (b) Sunday (c) Saturday (d) Friday
22. 22.If 24 June is a Sunday, what day of the week is 15 July? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
23. 23.If 6 March is a Sunday, what day of the week is 14 March? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
24. 24.If 15 March is a Wednesday, what day of the week is 28 March? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
25. 25.Today is Sunday. What day of the week will it be after 48 days? (a) Saturday (b) Monday (c) Friday (d) Sunday
26. 26.If 9 March is a Monday, what day of the week is 17 March? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
27. 27.If 2 August is a Friday, what day of the week is 12 August? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
28. 28.If 29 November is a Wednesday, what day of the week is 18 December? (a) Tuesday (b) Monday (c) Wednesday (d) Sunday
29. 29.If 15 October is a Thursday, what day of the week is 6 November? (a) Thursday (b) Friday (c) Sunday (d) Saturday
30. 30.If 7 May is a Friday, what day of the week is 19 May? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
31. 31.If 8 May is a Thursday, what day of the week is 20 May? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
32. 32.If 15 July is a Tuesday, what day of the week is 27 July? (a) Saturday (b) Sunday (c) Monday (d) Tuesday
33. 33.If 25 May is a Tuesday, what day of the week is 16 June? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
34. 34.If 27 March is a Friday, what day of the week is 7 April? (a) Tuesday (b) Wednesday (c) Monday (d) Thursday
35. 35.If 29 November is a Wednesday, what day of the week is 15 December? (a) Sunday (b) Friday (c) Saturday (d) Thursday
36. 36.If 2 May is a Tuesday, what day of the week is 16 May? (a) Tuesday (b) Thursday (c) Wednesday (d) Monday
37. 37.If 5 October is a Tuesday, what day of the week is 15 October? (a) Sunday (b) Saturday (c) Thursday (d) Friday
38. 38.If 7 August is a Tuesday, what day of the week is 16 August? (a) Thursday (b) Wednesday (c) Saturday (d) Friday
39. 39.If 11 October is a Sunday, what day of the week is 26 October? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
40. 40.If 12 July is a Tuesday, what day of the week is 1 August? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday

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