Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 57 · 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 13 January is a Sunday, what day of the week is 1 February? (a) Saturday (b) Thursday (c) Friday (d) Sunday
2. 2.If 14 June is a Thursday, what day of the week is 15 July? (a) Sunday (b) Saturday (c) Monday (d) Tuesday
3. 3.Today is Monday. What day of the week will it be after 18 days? (a) Thursday (b) Friday (c) Sunday (d) Saturday
4. 4.If 8 March is a Monday, what day of the week is 17 March? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
5. 5.If 10 June is a Monday, what day of the week is 2 July? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
6. 6.If 1 May is a Tuesday, what day of the week is 12 May? (a) Monday (b) Saturday (c) Sunday (d) Friday
7. 7.If 5 July is a Monday, what day of the week is 17 July? (a) Friday (b) Saturday (c) Monday (d) Sunday
8. 8.If 8 December is a Sunday, what day of the week is 21 December? (a) Saturday (b) Friday (c) Monday (d) Sunday
9. 9.If 25 September is a Friday, what day of the week is 16 October? (a) Thursday (b) Friday (c) Saturday (d) Sunday
10. 10.Today is Saturday. What day of the week will it be after 68 days? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
11. 11.If 9 October is a Friday, what day of the week is 18 October? (a) Sunday (b) Tuesday (c) Saturday (d) Monday
12. 12.Today is Monday. What day of the week will it be after 17 days? (a) Saturday (b) Wednesday (c) Friday (d) Thursday
13. 13.If 12 July is a Friday, what day of the week is 24 July? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
14. 14.Today is Sunday. What day of the week will it be after 38 days? (a) Tuesday (b) Thursday (c) Wednesday (d) Friday
15. 15.If 4 August is a Sunday, what day of the week is 20 August? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
16. 16.If 17 January is a Friday, what day of the week is 19 February? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
17. 17.If 25 March is a Wednesday, what day of the week is 18 April? (a) Saturday (b) Monday (c) Friday (d) Sunday
18. 18.If 15 October is a Saturday, what day of the week is 25 October? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
19. 19.Today is Thursday. What day of the week will it be after 65 days? (a) Sunday (b) Friday (c) Monday (d) Saturday
20. 20.If 9 October is a Monday, what day of the week is 25 October? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
21. 21.Today is Sunday. What day of the week will it be after 71 days? (a) Wednesday (b) Tuesday (c) Sunday (d) Monday
22. 22.If 5 October is a Wednesday, what day of the week is 20 October? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
23. 23.If 28 August is a Tuesday, what day of the week is 3 September? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
24. 24.Today is Friday. What day of the week will it be after 10 days? (a) Monday (b) Wednesday (c) Sunday (d) Tuesday
25. 25.If 8 May is a Thursday, what day of the week is 17 May? (a) Friday (b) Sunday (c) Saturday (d) Monday
26. 26.If 13 March is a Monday, what day of the week is 27 March? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
27. 27.If 13 January is a Monday, what day of the week is 29 January? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
28. 28.Today is Friday. What day of the week will it be after 82 days? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
29. 29.If 15 January is a Sunday, what day of the week is 15 February? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
30. 30.If 4 May is a Wednesday, what day of the week is 20 May? (a) Sunday (b) Saturday (c) Thursday (d) Friday
31. 31.If 1 October is a Saturday, what day of the week is 15 October? (a) Friday (b) Monday (c) Sunday (d) Saturday
32. 32.If 6 August is a Saturday, what day of the week is 14 August? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
33. 33.Today is Thursday. What day of the week will it be after 45 days? (a) Tuesday (b) Monday (c) Sunday (d) Saturday
34. 34.If 12 August is a Friday, what day of the week is 20 August? (a) Friday (b) Saturday (c) Monday (d) Sunday
35. 35.If 13 July is a Thursday, what day of the week is 21 July? (a) Sunday (b) Thursday (c) Saturday (d) Friday
36. 36.If 11 July is a Tuesday, what day of the week is 24 July? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
37. 37.If 22 November is a Sunday, what day of the week is 18 December? (a) Friday (b) Saturday (c) Thursday (d) Sunday
38. 38.If 9 January is a Friday, what day of the week is 19 January? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
39. 39.If 18 November is a Friday, what day of the week is 1 December? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
40. 40.Today is Tuesday. What day of the week will it be after 20 days? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday

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