Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 180 · 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 23 November is a Sunday, what day of the week is 9 December? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
2. 2.If 10 January is a Tuesday, what day of the week is 22 January? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
3. 3.If 6 May is a Sunday, what day of the week is 21 May? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
4. 4.If 3 July is a Thursday, what day of the week is 12 July? (a) Monday (b) Sunday (c) Friday (d) Saturday
5. 5.If 10 December is a Saturday, what day of the week is 26 December? (a) Wednesday (b) Tuesday (c) Sunday (d) Monday
6. 6.If 11 August is a Sunday, what day of the week is 10 September? (a) Wednesday (b) Tuesday (c) Thursday (d) Monday
7. 7.If 10 January is a Friday, what day of the week is 21 January? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
8. 8.If 2 October is a Tuesday, what day of the week is 15 October? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
9. 9.If 20 May is a Monday, what day of the week is 2 June? (a) Tuesday (b) Sunday (c) Saturday (d) Monday
10. 10.If 20 January is a Thursday, what day of the week is 15 February? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
11. 11.If 8 March is a Wednesday, what day of the week is 18 March? (a) Sunday (b) Friday (c) Saturday (d) Monday
12. 12.If 24 May is a Friday, what day of the week is 5 June? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
13. 13.Today is Friday. What day of the week will it be after 69 days? (a) Thursday (b) Wednesday (c) Friday (d) Saturday
14. 14.If 1 August is a Thursday, what day of the week is 17 August? (a) Friday (b) Saturday (c) Sunday (d) Monday
15. 15.Today is Monday. What day of the week will it be after 97 days? (a) Saturday (b) Sunday (c) Monday (d) Tuesday
16. 16.If 5 January is a Thursday, what day of the week is 13 January? (a) Thursday (b) Sunday (c) Saturday (d) Friday
17. 17.Today is Sunday. What day of the week will it be after 83 days? (a) Monday (b) Friday (c) Sunday (d) Saturday
18. 18.If 3 January is a Thursday, what day of the week is 14 January? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
19. 19.If 10 October is a Thursday, what day of the week is 26 October? (a) Sunday (b) Friday (c) Monday (d) Saturday
20. 20.If 6 March is a Wednesday, what day of the week is 21 March? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
21. 21.If 12 August is a Wednesday, what day of the week is 14 September? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
22. 22.If 23 November is a Thursday, what day of the week is 6 December? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
23. 23.Today is Sunday. What day of the week will it be after 15 days? (a) Tuesday (b) Wednesday (c) Sunday (d) Monday
24. 24.If 13 September is a Sunday, what day of the week is 10 October? (a) Sunday (b) Saturday (c) Friday (d) Monday
25. 25.Today is Sunday. What day of the week will it be after 29 days? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
26. 26.If 26 May is a Thursday, what day of the week is 6 June? (a) Wednesday (b) Tuesday (c) Monday (d) Sunday
27. 27.If 4 January is a Saturday, what day of the week is 16 January? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
28. 28.If 13 October is a Thursday, what day of the week is 21 October? (a) Friday (b) Saturday (c) Thursday (d) Sunday
29. 29.Today is Tuesday. What day of the week will it be after 70 days? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
30. 30.If 13 March is a Friday, what day of the week is 12 April? (a) Sunday (b) Monday (c) Saturday (d) Tuesday
31. 31.Today is Sunday. What day of the week will it be after 31 days? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
32. 32.Today is Tuesday. What day of the week will it be after 86 days? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
33. 33.If 14 October is a Saturday, what day of the week is 10 November? (a) Thursday (b) Friday (c) Sunday (d) Saturday
34. 34.If 25 June is a Tuesday, what day of the week is 2 July? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
35. 35.If 1 March is a Friday, what day of the week is 14 March? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
36. 36.If 4 August is a Saturday, what day of the week is 14 August? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
37. 37.Today is Friday. What day of the week will it be after 38 days? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
38. 38.If 5 October is a Tuesday, what day of the week is 13 October? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
39. 39.Today is Wednesday. What day of the week will it be after 58 days? (a) Thursday (b) Sunday (c) Saturday (d) Friday
40. 40.If 13 May is a Tuesday, what day of the week is 25 May? (a) Tuesday (b) Saturday (c) Sunday (d) Monday

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