Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 523 · 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 August is a Thursday, what day of the week is 9 September? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
2. 2.If 28 November is a Sunday, what day of the week is 20 December? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
3. 3.If 7 May is a Thursday, what day of the week is 16 May? (a) Friday (b) Sunday (c) Monday (d) Saturday
4. 4.If 28 April is a Monday, what day of the week is 11 May? (a) Sunday (b) Saturday (c) Tuesday (d) Monday
5. 5.Today is Saturday. What day of the week will it be after 47 days? (a) Wednesday (b) Thursday (c) Saturday (d) Friday
6. 6.If 3 January is a Monday, what day of the week is 12 January? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
7. 7.If 12 July is a Monday, what day of the week is 19 August? (a) Thursday (b) Wednesday (c) Saturday (d) Friday
8. 8.If 10 December is a Friday, what day of the week is 19 December? (a) Sunday (b) Tuesday (c) Monday (d) Saturday
9. 9.If 10 December is a Tuesday, what day of the week is 22 December? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
10. 10.If 19 January is a Thursday, what day of the week is 2 February? (a) Saturday (b) Wednesday (c) Friday (d) Thursday
11. 11.Today is Wednesday. What day of the week will it be after 33 days? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
12. 12.Today is Sunday. What day of the week will it be after 91 days? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
13. 13.If 3 August is a Wednesday, what day of the week is 11 August? (a) Thursday (b) Wednesday (c) Saturday (d) Friday
14. 14.If 29 April is a Tuesday, what day of the week is 7 May? (a) Tuesday (b) Thursday (c) Wednesday (d) Friday
15. 15.Today is Saturday. What day of the week will it be after 84 days? (a) Friday (b) Saturday (c) Sunday (d) Monday
16. 16.If 22 September is a Wednesday, what day of the week is 2 October? (a) Saturday (b) Monday (c) Friday (d) Sunday
17. 17.If 12 April is a Thursday, what day of the week is 6 May? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
18. 18.If 7 January is a Monday, what day of the week is 20 January? (a) Sunday (b) Tuesday (c) Saturday (d) Monday
19. 19.Today is Saturday. What day of the week will it be after 35 days? (a) Monday (b) Sunday (c) Saturday (d) Friday
20. 20.If 20 January is a Sunday, what day of the week is 14 February? (a) Thursday (b) Friday (c) Saturday (d) Wednesday
21. 21.If 18 June is a Monday, what day of the week is 2 July? (a) Wednesday (b) Monday (c) Sunday (d) Tuesday
22. 22.If 28 November is a Sunday, what day of the week is 6 December? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
23. 23.If 25 August is a Thursday, what day of the week is 7 September? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
24. 24.If 3 May is a Friday, what day of the week is 18 May? (a) Friday (b) Sunday (c) Monday (d) Saturday
25. 25.If 6 January is a Saturday, what day of the week is 14 January? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
26. 26.If 13 January is a Wednesday, what day of the week is 11 February? (a) Thursday (b) Saturday (c) Wednesday (d) Friday
27. 27.Today is Wednesday. What day of the week will it be after 95 days? (a) Sunday (b) Monday (c) Tuesday (d) Saturday
28. 28.If 2 January is a Tuesday, what day of the week is 17 January? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
29. 29.If 13 January is a Tuesday, what day of the week is 22 January? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
30. 30.If 25 May is a Friday, what day of the week is 3 June? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
31. 31.If 11 July is a Tuesday, what day of the week is 22 July? (a) Friday (b) Sunday (c) Monday (d) Saturday
32. 32.If 16 November is a Sunday, what day of the week is 4 December? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
33. 33.Today is Saturday. What day of the week will it be after 87 days? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
34. 34.If 1 October is a Monday, what day of the week is 15 October? (a) Wednesday (b) Monday (c) Tuesday (d) Sunday
35. 35.Today is Sunday. What day of the week will it be after 50 days? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
36. 36.If 27 May is a Tuesday, what day of the week is 2 June? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
37. 37.If 7 December is a Monday, what day of the week is 17 December? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
38. 38.Today is Tuesday. What day of the week will it be after 50 days? (a) Wednesday (b) Tuesday (c) Friday (d) Thursday
39. 39.If 15 October is a Tuesday, what day of the week is 24 October? (a) Thursday (b) Saturday (c) Wednesday (d) Friday
40. 40.If 29 August is a Saturday, what day of the week is 18 September? (a) Sunday (b) Thursday (c) Friday (d) Saturday

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