Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 330 · 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 Saturday, what day of the week is 19 September? (a) Monday (b) Friday (c) Saturday (d) Sunday
2. 2.If 16 September is a Friday, what day of the week is 1 October? (a) Sunday (b) Friday (c) Saturday (d) Monday
3. 3.If 10 August is a Tuesday, what day of the week is 18 August? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
4. 4.If 16 November is a Saturday, what day of the week is 6 December? (a) Saturday (b) Sunday (c) Thursday (d) Friday
5. 5.If 12 June is a Tuesday, what day of the week is 18 July? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
6. 6.If 8 August is a Tuesday, what day of the week is 20 August? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
7. 7.If 15 January is a Monday, what day of the week is 31 January? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
8. 8.If 10 December is a Friday, what day of the week is 19 December? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
9. 9.If 5 August is a Wednesday, what day of the week is 15 August? (a) Friday (b) Saturday (c) Monday (d) Sunday
10. 10.Today is Thursday. What day of the week will it be after 79 days? (a) Saturday (b) Monday (c) Sunday (d) Friday
11. 11.If 10 September is a Wednesday, what day of the week is 18 October? (a) Friday (b) Monday (c) Sunday (d) Saturday
12. 12.If 25 June is a Monday, what day of the week is 3 July? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
13. 13.If 5 January is a Tuesday, what day of the week is 18 January? (a) Tuesday (b) Wednesday (c) Sunday (d) Monday
14. 14.Today is Monday. What day of the week will it be after 23 days? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
15. 15.Today is Saturday. What day of the week will it be after 72 days? (a) Sunday (b) Monday (c) Tuesday (d) Wednesday
16. 16.If 1 August is a Tuesday, what day of the week is 11 August? (a) Saturday (b) Sunday (c) Friday (d) Thursday
17. 17.Today is Friday. What day of the week will it be after 44 days? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
18. 18.Today is Monday. What day of the week will it be after 33 days? (a) Sunday (b) Friday (c) Monday (d) Saturday
19. 19.Today is Sunday. What day of the week will it be after 41 days? (a) Sunday (b) Monday (c) Saturday (d) Friday
20. 20.If 1 May is a Tuesday, what day of the week is 10 May? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
21. 21.If 1 January is a Thursday, what day of the week is 15 January? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
22. 22.If 5 March is a Thursday, what day of the week is 14 March? (a) Saturday (b) Monday (c) Friday (d) Sunday
23. 23.If 22 May is a Thursday, what day of the week is 9 June? (a) Wednesday (b) Monday (c) Tuesday (d) Sunday
24. 24.If 12 December is a Friday, what day of the week is 21 December? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
25. 25.Today is Monday. What day of the week will it be after 50 days? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
26. 26.Today is Friday. What day of the week will it be after 11 days? (a) Tuesday (b) Wednesday (c) Monday (d) Thursday
27. 27.Today is Wednesday. What day of the week will it be after 21 days? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
28. 28.If 6 December is a Monday, what day of the week is 16 December? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
29. 29.If 24 April is a Saturday, what day of the week is 1 May? (a) Saturday (b) Monday (c) Friday (d) Sunday
30. 30.If 15 January is a Friday, what day of the week is 17 February? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
31. 31.If 9 March is a Friday, what day of the week is 20 March? (a) Tuesday (b) Wednesday (c) Monday (d) Thursday
32. 32.If 2 December is a Friday, what day of the week is 18 December? (a) Sunday (b) Tuesday (c) Monday (d) Saturday
33. 33.If 19 July is a Monday, what day of the week is 2 August? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
34. 34.If 1 October is a Tuesday, what day of the week is 13 October? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
35. 35.If 16 May is a Friday, what day of the week is 13 June? (a) Thursday (b) Sunday (c) Saturday (d) Friday
36. 36.If 11 January is a Wednesday, what day of the week is 21 January? (a) Friday (b) Saturday (c) Monday (d) Sunday
37. 37.If 11 January is a Saturday, what day of the week is 19 January? (a) Monday (b) Sunday (c) Saturday (d) Tuesday
38. 38.Today is Monday. What day of the week will it be after 97 days? (a) Monday (b) Sunday (c) Tuesday (d) Saturday
39. 39.Today is Thursday. What day of the week will it be after 70 days? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
40. 40.Today is Saturday. What day of the week will it be after 24 days? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday

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