Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 226 · 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 8 October is a Wednesday, what day of the week is 20 October? (a) Tuesday (b) Monday (c) Sunday (d) Wednesday
2. 2.If 11 May is a Saturday, what day of the week is 23 May? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
3. 3.If 7 October is a Saturday, what day of the week is 21 October? (a) Friday (b) Saturday (c) Sunday (d) Monday
4. 4.Today is Monday. What day of the week will it be after 55 days? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
5. 5.If 4 October is a Friday, what day of the week is 20 October? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
6. 6.Today is Tuesday. What day of the week will it be after 49 days? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
7. 7.If 13 June is a Thursday, what day of the week is 8 July? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
8. 8.Today is Sunday. What day of the week will it be after 64 days? (a) Tuesday (b) Wednesday (c) Sunday (d) Monday
9. 9.Today is Monday. What day of the week will it be after 78 days? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
10. 10.If 10 November is a Monday, what day of the week is 2 December? (a) Tuesday (b) Thursday (c) Wednesday (d) Monday
11. 11.If 2 July is a Monday, what day of the week is 14 July? (a) Sunday (b) Saturday (c) Monday (d) Friday
12. 12.If 5 July is a Tuesday, what day of the week is 21 July? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
13. 13.If 30 September is a Saturday, what day of the week is 12 October? (a) Wednesday (b) Thursday (c) Saturday (d) Friday
14. 14.If 6 July is a Monday, what day of the week is 22 July? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
15. 15.If 20 November is a Monday, what day of the week is 6 December? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
16. 16.Today is Wednesday. What day of the week will it be after 86 days? (a) Friday (b) Saturday (c) Thursday (d) Sunday
17. 17.If 8 March is a Friday, what day of the week is 19 March? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
18. 18.Today is Wednesday. What day of the week will it be after 32 days? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
19. 19.If 12 March is a Thursday, what day of the week is 25 March? (a) Tuesday (b) Thursday (c) Wednesday (d) Friday
20. 20.If 24 June is a Friday, what day of the week is 18 July? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
21. 21.If 10 May is a Sunday, what day of the week is 10 June? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
22. 22.If 10 March is a Thursday, what day of the week is 24 March? (a) Wednesday (b) Thursday (c) Saturday (d) Friday
23. 23.If 10 July is a Thursday, what day of the week is 2 August? (a) Saturday (b) Sunday (c) Friday (d) Monday
24. 24.If 6 January is a Tuesday, what day of the week is 18 January? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
25. 25.If 1 July is a Friday, what day of the week is 11 July? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
26. 26.Today is Monday. What day of the week will it be after 36 days? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
27. 27.Today is Saturday. What day of the week will it be after 83 days? (a) Sunday (b) Saturday (c) Friday (d) Thursday
28. 28.If 17 October is a Friday, what day of the week is 18 November? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday
29. 29.If 4 December is a Monday, what day of the week is 17 December? (a) Sunday (b) Monday (c) Tuesday (d) Saturday
30. 30.If 24 November is a Thursday, what day of the week is 19 December? (a) Wednesday (b) Monday (c) Tuesday (d) Sunday
31. 31.If 10 March is a Thursday, what day of the week is 17 April? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
32. 32.If 13 January is a Saturday, what day of the week is 21 January? (a) Tuesday (b) Sunday (c) Monday (d) Saturday
33. 33.If 28 November is a Monday, what day of the week is 10 December? (a) Monday (b) Sunday (c) Saturday (d) Friday
34. 34.If 2 July is a Saturday, what day of the week is 13 July? (a) Wednesday (b) Tuesday (c) Thursday (d) Friday
35. 35.Today is Tuesday. What day of the week will it be after 70 days? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
36. 36.If 1 January is a Sunday, what day of the week is 10 January? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
37. 37.Today is Saturday. What day of the week will it be after 98 days? (a) Friday (b) Sunday (c) Monday (d) Saturday
38. 38.Today is Monday. What day of the week will it be after 41 days? (a) Sunday (b) Monday (c) Saturday (d) Tuesday
39. 39.If 28 November is a Tuesday, what day of the week is 2 December? (a) Friday (b) Sunday (c) Monday (d) Saturday
40. 40.If 14 October is a Monday, what day of the week is 13 November? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday

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