Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 456 · 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 29 August is a Friday, what day of the week is 4 September? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
2. 2.Today is Sunday. What day of the week will it be after 81 days? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
3. 3.If 14 June is a Tuesday, what day of the week is 2 July? (a) Friday (b) Sunday (c) Monday (d) Saturday
4. 4.If 13 December is a Friday, what day of the week is 29 December? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
5. 5.Today is Friday. What day of the week will it be after 13 days? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
6. 6.Today is Thursday. What day of the week will it be after 93 days? (a) Sunday (b) Monday (c) Friday (d) Saturday
7. 7.If 4 January is a Monday, what day of the week is 13 January? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
8. 8.If 6 January is a Thursday, what day of the week is 22 January? (a) Friday (b) Sunday (c) Saturday (d) Monday
9. 9.Today is Wednesday. What day of the week will it be after 83 days? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
10. 10.If 12 December is a Thursday, what day of the week is 25 December? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
11. 11.If 4 October is a Saturday, what day of the week is 15 October? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
12. 12.Today is Wednesday. What day of the week will it be after 92 days? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
13. 13.Today is Sunday. What day of the week will it be after 58 days? (a) Tuesday (b) Wednesday (c) Thursday (d) Monday
14. 14.If 16 July is a Friday, what day of the week is 1 August? (a) Sunday (b) Saturday (c) Monday (d) Tuesday
15. 15.If 9 August is a Wednesday, what day of the week is 20 August? (a) Tuesday (b) Sunday (c) Monday (d) Saturday
16. 16.Today is Monday. What day of the week will it be after 36 days? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
17. 17.If 24 April is a Monday, what day of the week is 15 May? (a) Monday (b) Sunday (c) Wednesday (d) Tuesday
18. 18.If 9 December is a Sunday, what day of the week is 17 December? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
19. 19.If 22 April is a Saturday, what day of the week is 1 May? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
20. 20.If 18 July is a Thursday, what day of the week is 5 August? (a) Monday (b) Sunday (c) Wednesday (d) Tuesday
21. 21.Today is Tuesday. What day of the week will it be after 71 days? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
22. 22.Today is Saturday. What day of the week will it be after 81 days? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
23. 23.Today is Monday. What day of the week will it be after 74 days? (a) Thursday (b) Saturday (c) Sunday (d) Friday
24. 24.If 6 March is a Wednesday, what day of the week is 16 March? (a) Sunday (b) Friday (c) Monday (d) Saturday
25. 25.If 31 August is a Tuesday, what day of the week is 6 September? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
26. 26.If 7 January is a Tuesday, what day of the week is 16 January? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
27. 27.If 27 March is a Wednesday, what day of the week is 16 April? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
28. 28.If 28 August is a Tuesday, what day of the week is 17 September? (a) Monday (b) Wednesday (c) Sunday (d) Tuesday
29. 29.If 1 August is a Tuesday, what day of the week is 9 August? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
30. 30.Today is Friday. What day of the week will it be after 10 days? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
31. 31.Today is Monday. What day of the week will it be after 85 days? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday
32. 32.If 11 July is a Sunday, what day of the week is 21 July? (a) Wednesday (b) Friday (c) Thursday (d) Tuesday
33. 33.If 31 March is a Wednesday, what day of the week is 4 April? (a) Tuesday (b) Sunday (c) Monday (d) Saturday
34. 34.If 10 December is a Friday, what day of the week is 20 December? (a) Wednesday (b) Tuesday (c) Monday (d) Sunday
35. 35.If 3 December is a Sunday, what day of the week is 11 December? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
36. 36.If 2 March is a Monday, what day of the week is 18 March? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
37. 37.If 4 October is a Wednesday, what day of the week is 19 October? (a) Thursday (b) Wednesday (c) Friday (d) Saturday
38. 38.If 10 March is a Friday, what day of the week is 23 March? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
39. 39.If 27 July is a Monday, what day of the week is 5 August? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
40. 40.If 13 March is a Monday, what day of the week is 20 April? (a) Friday (b) Wednesday (c) Saturday (d) Thursday

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