Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 190 · 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 18 January is a Saturday, what day of the week is 10 February? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
2. 2.Today is Monday. What day of the week will it be after 70 days? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
3. 3.If 5 July is a Saturday, what day of the week is 18 July? (a) Thursday (b) Sunday (c) Saturday (d) Friday
4. 4.If 25 October is a Thursday, what day of the week is 2 November? (a) Friday (b) Saturday (c) Thursday (d) Sunday
5. 5.Today is Thursday. What day of the week will it be after 20 days? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
6. 6.If 9 January is a Friday, what day of the week is 18 January? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
7. 7.Today is Sunday. What day of the week will it be after 57 days? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
8. 8.Today is Tuesday. What day of the week will it be after 82 days? (a) Tuesday (b) Monday (c) Sunday (d) Saturday
9. 9.Today is Monday. What day of the week will it be after 86 days? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
10. 10.If 30 August is a Monday, what day of the week is 20 September? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
11. 11.If 25 July is a Monday, what day of the week is 20 August? (a) Sunday (b) Friday (c) Monday (d) Saturday
12. 12.If 9 March is a Monday, what day of the week is 22 March? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
13. 13.If 21 July is a Sunday, what day of the week is 1 August? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
14. 14.If 26 September is a Tuesday, what day of the week is 2 October? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
15. 15.If 4 January is a Wednesday, what day of the week is 16 January? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
16. 16.If 11 May is a Wednesday, what day of the week is 20 May? (a) Sunday (b) Saturday (c) Friday (d) Thursday
17. 17.If 6 December is a Sunday, what day of the week is 16 December? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
18. 18.If 9 October is a Thursday, what day of the week is 21 October? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
19. 19.If 6 January is a Saturday, what day of the week is 15 January? (a) Monday (b) Wednesday (c) Tuesday (d) Sunday
20. 20.If 15 August is a Tuesday, what day of the week is 31 August? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
21. 21.If 20 August is a Monday, what day of the week is 2 September? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
22. 22.If 11 December is a Wednesday, what day of the week is 19 December? (a) Saturday (b) Wednesday (c) Friday (d) Thursday
23. 23.Today is Sunday. What day of the week will it be after 83 days? (a) Saturday (b) Friday (c) Sunday (d) Monday
24. 24.If 12 January is a Wednesday, what day of the week is 20 February? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
25. 25.If 21 March is a Thursday, what day of the week is 2 April? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
26. 26.If 18 May is a Friday, what day of the week is 14 June? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
27. 27.If 14 July is a Tuesday, what day of the week is 22 July? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
28. 28.If 1 January is a Saturday, what day of the week is 16 January? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
29. 29.Today is Thursday. What day of the week will it be after 88 days? (a) Tuesday (b) Monday (c) Wednesday (d) Sunday
30. 30.If 23 March is a Saturday, what day of the week is 11 April? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
31. 31.If 23 September is a Monday, what day of the week is 8 October? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
32. 32.If 12 August is a Wednesday, what day of the week is 12 September? (a) Saturday (b) Sunday (c) Friday (d) Monday
33. 33.If 9 May is a Friday, what day of the week is 25 May? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
34. 34.If 3 March is a Monday, what day of the week is 16 March? (a) Sunday (b) Tuesday (c) Monday (d) Saturday
35. 35.If 2 January is a Friday, what day of the week is 12 January? (a) Monday (b) Wednesday (c) Tuesday (d) Sunday
36. 36.If 25 January is a Friday, what day of the week is 8 February? (a) Thursday (b) Friday (c) Sunday (d) Saturday
37. 37.If 15 May is a Monday, what day of the week is 23 May? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
38. 38.If 9 March is a Wednesday, what day of the week is 24 March? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
39. 39.Today is Thursday. What day of the week will it be after 41 days? (a) Wednesday (b) Tuesday (c) Thursday (d) Friday
40. 40.If 4 December is a Thursday, what day of the week is 20 December? (a) Monday (b) Saturday (c) Friday (d) Sunday

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