Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 934 · 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.Today is Wednesday. What day of the week will it be after 88 days? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
2. 2.Today is Friday. What day of the week will it be after 83 days? (a) Friday (b) Thursday (c) Wednesday (d) Saturday
3. 3.If 25 June is a Saturday, what day of the week is 1 July? (a) Sunday (b) Friday (c) Saturday (d) Thursday
4. 4.If 13 April is a Wednesday, what day of the week is 3 May? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
5. 5.If 11 May is a Friday, what day of the week is 24 May? (a) Saturday (b) Wednesday (c) Friday (d) Thursday
6. 6.If 11 December is a Tuesday, what day of the week is 23 December? (a) Monday (b) Sunday (c) Saturday (d) Tuesday
7. 7.If 3 January is a Saturday, what day of the week is 15 January? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
8. 8.If 11 October is a Tuesday, what day of the week is 24 October? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
9. 9.Today is Monday. What day of the week will it be after 81 days? (a) Sunday (b) Friday (c) Saturday (d) Thursday
10. 10.If 8 July is a Wednesday, what day of the week is 19 July? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
11. 11.Today is Saturday. What day of the week will it be after 39 days? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
12. 12.If 3 October is a Tuesday, what day of the week is 14 October? (a) Friday (b) Saturday (c) Monday (d) Sunday
13. 13.If 1 October is a Wednesday, what day of the week is 15 October? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
14. 14.If 13 October is a Tuesday, what day of the week is 13 November? (a) Friday (b) Saturday (c) Thursday (d) Sunday
15. 15.If 10 May is a Monday, what day of the week is 23 May? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
16. 16.Today is Tuesday. What day of the week will it be after 98 days? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
17. 17.If 5 July is a Friday, what day of the week is 20 July? (a) Friday (b) Sunday (c) Saturday (d) Monday
18. 18.If 2 October is a Monday, what day of the week is 10 October? (a) Tuesday (b) Monday (c) Wednesday (d) Thursday
19. 19.If 6 August is a Sunday, what day of the week is 14 August? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
20. 20.Today is Tuesday. What day of the week will it be after 21 days? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday
21. 21.If 5 January is a Monday, what day of the week is 21 January? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
22. 22.Today is Saturday. What day of the week will it be after 74 days? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
23. 23.If 4 March is a Monday, what day of the week is 15 March? (a) Sunday (b) Thursday (c) Friday (d) Saturday
24. 24.If 8 July is a Sunday, what day of the week is 17 July? (a) Tuesday (b) Thursday (c) Wednesday (d) Monday
25. 25.Today is Friday. What day of the week will it be after 73 days? (a) Wednesday (b) Tuesday (c) Monday (d) Sunday
26. 26.If 21 September is a Sunday, what day of the week is 15 October? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
27. 27.Today is Monday. What day of the week will it be after 80 days? (a) Thursday (b) Friday (c) Saturday (d) Wednesday
28. 28.If 14 October is a Tuesday, what day of the week is 14 November? (a) Friday (b) Sunday (c) Thursday (d) Saturday
29. 29.If 6 January is a Wednesday, what day of the week is 20 January? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
30. 30.If 13 March is a Saturday, what day of the week is 25 March? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
31. 31.Today is Thursday. What day of the week will it be after 30 days? (a) Friday (b) Monday (c) Sunday (d) Saturday
32. 32.Today is Tuesday. What day of the week will it be after 80 days? (a) Friday (b) Thursday (c) Sunday (d) Saturday
33. 33.If 13 July is a Wednesday, what day of the week is 27 July? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
34. 34.Today is Friday. What day of the week will it be after 56 days? (a) Saturday (b) Sunday (c) Friday (d) Thursday
35. 35.If 20 August is a Sunday, what day of the week is 7 September? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
36. 36.If 6 December is a Tuesday, what day of the week is 20 December? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
37. 37.If 1 July is a Tuesday, what day of the week is 15 July? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
38. 38.If 24 June is a Tuesday, what day of the week is 18 July? (a) Saturday (b) Friday (c) Thursday (d) Sunday
39. 39.If 7 January is a Sunday, what day of the week is 16 January? (a) Wednesday (b) Tuesday (c) Thursday (d) Monday
40. 40.Today is Wednesday. What day of the week will it be after 45 days? (a) Saturday (b) Sunday (c) Friday (d) Monday

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