Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 965 · 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 Wednesday, what day of the week is 27 January? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
2. 2.If 8 July is a Tuesday, what day of the week is 23 July? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
3. 3.If 11 October is a Thursday, what day of the week is 24 October? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
4. 4.If 2 May is a Thursday, what day of the week is 13 May? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
5. 5.Today is Wednesday. What day of the week will it be after 17 days? (a) Friday (b) Sunday (c) Saturday (d) Monday
6. 6.If 5 December is a Friday, what day of the week is 13 December? (a) Saturday (b) Friday (c) Monday (d) Sunday
7. 7.If 24 November is a Saturday, what day of the week is 13 December? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
8. 8.If 8 January is a Tuesday, what day of the week is 22 January? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
9. 9.Today is Sunday. What day of the week will it be after 78 days? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
10. 10.Today is Saturday. What day of the week will it be after 59 days? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
11. 11.If 12 October is a Saturday, what day of the week is 2 November? (a) Friday (b) Sunday (c) Saturday (d) Monday
12. 12.If 29 July is a Wednesday, what day of the week is 17 August? (a) Tuesday (b) Monday (c) Sunday (d) Wednesday
13. 13.If 13 March is a Sunday, what day of the week is 20 April? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
14. 14.Today is Tuesday. What day of the week will it be after 80 days? (a) Friday (b) Saturday (c) Sunday (d) Thursday
15. 15.Today is Tuesday. What day of the week will it be after 18 days? (a) Friday (b) Sunday (c) Saturday (d) Monday
16. 16.If 4 March is a Saturday, what day of the week is 17 March? (a) Friday (b) Sunday (c) Saturday (d) Thursday
17. 17.If 21 October is a Sunday, what day of the week is 7 November? (a) Wednesday (b) Friday (c) Thursday (d) Tuesday
18. 18.If 5 July is a Tuesday, what day of the week is 21 July? (a) Thursday (b) Wednesday (c) Friday (d) Saturday
19. 19.Today is Thursday. What day of the week will it be after 67 days? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
20. 20.If 9 January is a Sunday, what day of the week is 22 January? (a) Saturday (b) Sunday (c) Monday (d) Friday
21. 21.If 12 March is a Thursday, what day of the week is 13 April? (a) Wednesday (b) Tuesday (c) Monday (d) Sunday
22. 22.If 21 January is a Friday, what day of the week is 5 February? (a) Saturday (b) Monday (c) Sunday (d) Friday
23. 23.If 9 October is a Monday, what day of the week is 17 October? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
24. 24.If 12 March is a Thursday, what day of the week is 19 April? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
25. 25.If 30 May is a Tuesday, what day of the week is 16 June? (a) Saturday (b) Sunday (c) Friday (d) Thursday
26. 26.If 15 November is a Sunday, what day of the week is 14 December? (a) Wednesday (b) Monday (c) Tuesday (d) Sunday
27. 27.Today is Sunday. What day of the week will it be after 62 days? (a) Sunday (b) Friday (c) Saturday (d) Monday
28. 28.If 13 July is a Saturday, what day of the week is 6 August? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
29. 29.If 19 March is a Wednesday, what day of the week is 8 April? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
30. 30.If 30 May is a Saturday, what day of the week is 14 June? (a) Tuesday (b) Sunday (c) Monday (d) Saturday
31. 31.Today is Monday. What day of the week will it be after 56 days? (a) Monday (b) Sunday (c) Wednesday (d) Tuesday
32. 32.If 2 January is a Monday, what day of the week is 17 January? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
33. 33.If 28 July is a Thursday, what day of the week is 16 August? (a) Tuesday (b) Thursday (c) Wednesday (d) Monday
34. 34.If 10 September is a Wednesday, what day of the week is 16 October? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
35. 35.Today is Monday. What day of the week will it be after 85 days? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
36. 36.Today is Sunday. What day of the week will it be after 73 days? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
37. 37.If 4 July is a Friday, what day of the week is 13 July? (a) Tuesday (b) Sunday (c) Monday (d) Saturday
38. 38.If 20 June is a Wednesday, what day of the week is 15 July? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
39. 39.Today is Friday. What day of the week will it be after 49 days? (a) Sunday (b) Saturday (c) Thursday (d) Friday
40. 40.Today is Friday. What day of the week will it be after 83 days? (a) Friday (b) Saturday (c) Thursday (d) Wednesday

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