Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 972 · 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 12 December is a Sunday, what day of the week is 24 December? (a) Saturday (b) Sunday (c) Thursday (d) Friday
2. 2.If 4 December is a Thursday, what day of the week is 16 December? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
3. 3.If 12 December is a Saturday, what day of the week is 26 December? (a) Friday (b) Sunday (c) Saturday (d) Monday
4. 4.If 11 July is a Wednesday, what day of the week is 16 August? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
5. 5.If 28 August is a Friday, what day of the week is 3 September? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
6. 6.If 7 October is a Sunday, what day of the week is 18 October? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
7. 7.If 3 October is a Saturday, what day of the week is 15 October? (a) Thursday (b) Saturday (c) Wednesday (d) Friday
8. 8.If 15 July is a Tuesday, what day of the week is 24 July? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
9. 9.Today is Friday. What day of the week will it be after 87 days? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
10. 10.Today is Tuesday. What day of the week will it be after 36 days? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
11. 11.Today is Wednesday. What day of the week will it be after 29 days? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
12. 12.Today is Thursday. What day of the week will it be after 40 days? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
13. 13.If 26 August is a Sunday, what day of the week is 20 September? (a) Wednesday (b) Thursday (c) Friday (d) Saturday
14. 14.If 26 January is a Thursday, what day of the week is 16 February? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
15. 15.If 1 January is a Sunday, what day of the week is 11 January? (a) Wednesday (b) Tuesday (c) Friday (d) Thursday
16. 16.Today is Tuesday. What day of the week will it be after 41 days? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
17. 17.If 16 November is a Tuesday, what day of the week is 10 December? (a) Saturday (b) Thursday (c) Sunday (d) Friday
18. 18.If 3 May is a Tuesday, what day of the week is 12 May? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
19. 19.If 11 December is a Saturday, what day of the week is 19 December? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
20. 20.If 10 August is a Friday, what day of the week is 20 August? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
21. 21.If 4 October is a Saturday, what day of the week is 17 October? (a) Friday (b) Thursday (c) Saturday (d) Sunday
22. 22.If 2 December is a Monday, what day of the week is 18 December? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
23. 23.If 10 September is a Thursday, what day of the week is 20 October? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
24. 24.If 28 May is a Friday, what day of the week is 6 June? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
25. 25.If 1 December is a Monday, what day of the week is 15 December? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
26. 26.If 2 July is a Wednesday, what day of the week is 13 July? (a) Sunday (b) Monday (c) Tuesday (d) Saturday
27. 27.If 21 May is a Friday, what day of the week is 19 June? (a) Sunday (b) Friday (c) Monday (d) Saturday
28. 28.If 12 January is a Wednesday, what day of the week is 2 February? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
29. 29.Today is Wednesday. What day of the week will it be after 49 days? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
30. 30.If 8 May is a Sunday, what day of the week is 18 May? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
31. 31.If 5 January is a Tuesday, what day of the week is 14 January? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
32. 32.Today is Monday. What day of the week will it be after 42 days? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
33. 33.Today is Friday. What day of the week will it be after 31 days? (a) Monday (b) Sunday (c) Wednesday (d) Tuesday
34. 34.If 7 March is a Thursday, what day of the week is 19 March? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
35. 35.If 27 March is a Friday, what day of the week is 10 April? (a) Saturday (b) Thursday (c) Sunday (d) Friday
36. 36.If 25 May is a Thursday, what day of the week is 7 June? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
37. 37.Today is Friday. What day of the week will it be after 85 days? (a) Friday (b) Sunday (c) Monday (d) Saturday
38. 38.If 21 January is a Friday, what day of the week is 20 February? (a) Sunday (b) Saturday (c) Tuesday (d) Monday
39. 39.Today is Friday. What day of the week will it be after 63 days? (a) Saturday (b) Friday (c) Thursday (d) Sunday
40. 40.If 25 August is a Wednesday, what day of the week is 7 September? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday

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