Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 850 · 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 27 September is a Monday, what day of the week is 8 October? (a) Thursday (b) Saturday (c) Sunday (d) Friday
2. 2.Today is Tuesday. What day of the week will it be after 85 days? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
3. 3.If 31 March is a Saturday, what day of the week is 20 April? (a) Friday (b) Sunday (c) Thursday (d) Saturday
4. 4.If 27 July is a Saturday, what day of the week is 9 August? (a) Thursday (b) Sunday (c) Friday (d) Saturday
5. 5.Today is Tuesday. What day of the week will it be after 94 days? (a) Thursday (b) Saturday (c) Friday (d) Sunday
6. 6.Today is Thursday. What day of the week will it be after 82 days? (a) Tuesday (b) Monday (c) Wednesday (d) Thursday
7. 7.If 15 July is a Friday, what day of the week is 30 July? (a) Sunday (b) Friday (c) Saturday (d) Monday
8. 8.If 17 November is a Saturday, what day of the week is 3 December? (a) Monday (b) Sunday (c) Wednesday (d) Tuesday
9. 9.If 1 July is a Friday, what day of the week is 11 July? (a) Monday (b) Wednesday (c) Tuesday (d) Sunday
10. 10.If 7 July is a Monday, what day of the week is 16 July? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
11. 11.If 25 January is a Wednesday, what day of the week is 5 February? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
12. 12.If 9 August is a Saturday, what day of the week is 19 August? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
13. 13.If 7 January is a Sunday, what day of the week is 16 January? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
14. 14.If 6 March is a Friday, what day of the week is 20 March? (a) Saturday (b) Sunday (c) Friday (d) Thursday
15. 15.Today is Monday. What day of the week will it be after 59 days? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
16. 16.Today is Monday. What day of the week will it be after 98 days? (a) Sunday (b) Monday (c) Tuesday (d) Wednesday
17. 17.If 20 November is a Sunday, what day of the week is 19 December? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
18. 18.If 3 December is a Saturday, what day of the week is 19 December? (a) Tuesday (b) Monday (c) Wednesday (d) Sunday
19. 19.If 13 November is a Tuesday, what day of the week is 6 December? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
20. 20.If 2 October is a Wednesday, what day of the week is 17 October? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
21. 21.If 7 March is a Sunday, what day of the week is 18 March? (a) Thursday (b) Saturday (c) Friday (d) Wednesday
22. 22.If 10 November is a Friday, what day of the week is 6 December? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
23. 23.Today is Tuesday. What day of the week will it be after 20 days? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
24. 24.If 24 September is a Wednesday, what day of the week is 3 October? (a) Sunday (b) Friday (c) Saturday (d) Thursday
25. 25.If 11 January is a Sunday, what day of the week is 5 February? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
26. 26.If 12 July is a Thursday, what day of the week is 21 July? (a) Friday (b) Sunday (c) Monday (d) Saturday
27. 27.If 20 January is a Saturday, what day of the week is 18 February? (a) Monday (b) Sunday (c) Saturday (d) Tuesday
28. 28.If 4 August is a Friday, what day of the week is 17 August? (a) Thursday (b) Saturday (c) Wednesday (d) Friday
29. 29.If 18 April is a Monday, what day of the week is 3 May? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
30. 30.Today is Tuesday. What day of the week will it be after 28 days? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
31. 31.Today is Thursday. What day of the week will it be after 13 days? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
32. 32.If 8 July is a Monday, what day of the week is 18 July? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
33. 33.If 7 August is a Friday, what day of the week is 18 August? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
34. 34.Today is Tuesday. What day of the week will it be after 35 days? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday
35. 35.Today is Tuesday. What day of the week will it be after 45 days? (a) Saturday (b) Friday (c) Thursday (d) Sunday
36. 36.If 20 August is a Monday, what day of the week is 19 September? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
37. 37.If 10 March is a Thursday, what day of the week is 14 April? (a) Thursday (b) Friday (c) Saturday (d) Wednesday
38. 38.Today is Thursday. What day of the week will it be after 60 days? (a) Monday (b) Wednesday (c) Sunday (d) Tuesday
39. 39.If 30 July is a Thursday, what day of the week is 14 August? (a) Thursday (b) Saturday (c) Sunday (d) Friday
40. 40.If 23 August is a Saturday, what day of the week is 8 September? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday

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