Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 666 · 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 2 October is a Thursday, what day of the week is 18 October? (a) Saturday (b) Sunday (c) Monday (d) Friday
2. 2.If 12 December is a Saturday, what day of the week is 28 December? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
3. 3.If 14 August is a Saturday, what day of the week is 12 September? (a) Monday (b) Sunday (c) Tuesday (d) Saturday
4. 4.If 15 November is a Tuesday, what day of the week is 3 December? (a) Saturday (b) Friday (c) Sunday (d) Monday
5. 5.If 5 March is a Thursday, what day of the week is 13 March? (a) Friday (b) Sunday (c) Thursday (d) Saturday
6. 6.Today is Thursday. What day of the week will it be after 58 days? (a) Sunday (b) Monday (c) Friday (d) Saturday
7. 7.If 30 August is a Saturday, what day of the week is 1 September? (a) Tuesday (b) Wednesday (c) Sunday (d) Monday
8. 8.If 12 September is a Sunday, what day of the week is 8 October? (a) Thursday (b) Saturday (c) Sunday (d) Friday
9. 9.Today is Thursday. What day of the week will it be after 54 days? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
10. 10.If 11 March is a Sunday, what day of the week is 2 April? (a) Monday (b) Wednesday (c) Sunday (d) Tuesday
11. 11.If 3 January is a Thursday, what day of the week is 14 January? (a) Monday (b) Sunday (c) Tuesday (d) Wednesday
12. 12.If 11 March is a Saturday, what day of the week is 27 March? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
13. 13.If 17 July is a Monday, what day of the week is 15 August? (a) Wednesday (b) Tuesday (c) Thursday (d) Monday
14. 14.If 9 August is a Friday, what day of the week is 18 August? (a) Sunday (b) Saturday (c) Monday (d) Tuesday
15. 15.If 27 November is a Tuesday, what day of the week is 2 December? (a) Sunday (b) Tuesday (c) Monday (d) Saturday
16. 16.If 15 March is a Monday, what day of the week is 24 March? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
17. 17.If 3 January is a Friday, what day of the week is 18 January? (a) Sunday (b) Friday (c) Monday (d) Saturday
18. 18.If 20 July is a Monday, what day of the week is 11 August? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
19. 19.Today is Wednesday. What day of the week will it be after 74 days? (a) Sunday (b) Monday (c) Saturday (d) Tuesday
20. 20.If 31 October is a Wednesday, what day of the week is 14 November? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
21. 21.If 12 July is a Friday, what day of the week is 21 July? (a) Sunday (b) Monday (c) Saturday (d) Tuesday
22. 22.Today is Monday. What day of the week will it be after 50 days? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
23. 23.If 4 August is a Tuesday, what day of the week is 12 August? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
24. 24.If 4 March is a Saturday, what day of the week is 18 March? (a) Saturday (b) Monday (c) Sunday (d) Friday
25. 25.If 17 March is a Wednesday, what day of the week is 8 April? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
26. 26.Today is Friday. What day of the week will it be after 62 days? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
27. 27.Today is Tuesday. What day of the week will it be after 50 days? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
28. 28.If 30 March is a Tuesday, what day of the week is 5 April? (a) Monday (b) Tuesday (c) Sunday (d) Wednesday
29. 29.If 11 January is a Thursday, what day of the week is 25 January? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
30. 30.Today is Friday. What day of the week will it be after 71 days? (a) Monday (b) Sunday (c) Friday (d) Saturday
31. 31.Today is Saturday. What day of the week will it be after 51 days? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
32. 32.If 14 December is a Saturday, what day of the week is 25 December? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
33. 33.If 22 January is a Wednesday, what day of the week is 3 February? (a) Wednesday (b) Monday (c) Tuesday (d) Sunday
34. 34.If 9 January is a Tuesday, what day of the week is 21 January? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
35. 35.If 9 July is a Sunday, what day of the week is 25 July? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
36. 36.If 15 January is a Monday, what day of the week is 25 January? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
37. 37.Today is Wednesday. What day of the week will it be after 82 days? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
38. 38.Today is Sunday. What day of the week will it be after 10 days? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
39. 39.If 11 October is a Friday, what day of the week is 22 October? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
40. 40.Today is Tuesday. What day of the week will it be after 87 days? (a) Thursday (b) Sunday (c) Friday (d) Saturday

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