Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 33 · 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 14 July is a Friday, what day of the week is 23 July? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
2. 2.If 14 May is a Wednesday, what day of the week is 10 June? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
3. 3.If 11 March is a Tuesday, what day of the week is 27 March? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
4. 4.If 12 September is a Tuesday, what day of the week is 17 October? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
5. 5.If 4 May is a Monday, what day of the week is 13 May? (a) Wednesday (b) Tuesday (c) Friday (d) Thursday
6. 6.Today is Wednesday. What day of the week will it be after 20 days? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
7. 7.If 14 October is a Wednesday, what day of the week is 24 October? (a) Monday (b) Sunday (c) Saturday (d) Friday
8. 8.Today is Friday. What day of the week will it be after 64 days? (a) Friday (b) Sunday (c) Saturday (d) Monday
9. 9.If 25 November is a Sunday, what day of the week is 5 December? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
10. 10.Today is Tuesday. What day of the week will it be after 24 days? (a) Sunday (b) Friday (c) Saturday (d) Thursday
11. 11.If 13 December is a Monday, what day of the week is 27 December? (a) Wednesday (b) Tuesday (c) Sunday (d) Monday
12. 12.If 29 October is a Wednesday, what day of the week is 10 November? (a) Monday (b) Tuesday (c) Sunday (d) Wednesday
13. 13.If 20 January is a Friday, what day of the week is 7 February? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
14. 14.If 12 March is a Thursday, what day of the week is 15 April? (a) Tuesday (b) Thursday (c) Wednesday (d) Friday
15. 15.If 28 September is a Tuesday, what day of the week is 4 October? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
16. 16.Today is Sunday. What day of the week will it be after 19 days? (a) Sunday (b) Friday (c) Thursday (d) Saturday
17. 17.If 6 March is a Wednesday, what day of the week is 16 March? (a) Saturday (b) Friday (c) Monday (d) Sunday
18. 18.Today is Sunday. What day of the week will it be after 15 days? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
19. 19.Today is Thursday. What day of the week will it be after 59 days? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
20. 20.If 28 October is a Thursday, what day of the week is 1 November? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
21. 21.If 12 December is a Wednesday, what day of the week is 28 December? (a) Thursday (b) Saturday (c) Friday (d) Sunday
22. 22.Today is Friday. What day of the week will it be after 61 days? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
23. 23.If 6 July is a Thursday, what day of the week is 17 July? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
24. 24.If 21 August is a Monday, what day of the week is 19 September? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
25. 25.If 3 March is a Wednesday, what day of the week is 11 March? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
26. 26.If 7 October is a Saturday, what day of the week is 22 October? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
27. 27.If 15 April is a Monday, what day of the week is 8 May? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
28. 28.If 5 March is a Tuesday, what day of the week is 18 March? (a) Monday (b) Sunday (c) Tuesday (d) Wednesday
29. 29.Today is Tuesday. What day of the week will it be after 90 days? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
30. 30.If 18 January is a Monday, what day of the week is 19 February? (a) Sunday (b) Thursday (c) Friday (d) Saturday
31. 31.If 2 December is a Wednesday, what day of the week is 12 December? (a) Monday (b) Saturday (c) Friday (d) Sunday
32. 32.If 7 May is a Wednesday, what day of the week is 15 May? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
33. 33.If 11 July is a Sunday, what day of the week is 19 July? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
34. 34.If 1 December is a Thursday, what day of the week is 9 December? (a) Sunday (b) Saturday (c) Thursday (d) Friday
35. 35.If 15 July is a Monday, what day of the week is 23 July? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
36. 36.If 10 August is a Monday, what day of the week is 17 September? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
37. 37.Today is Thursday. What day of the week will it be after 27 days? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
38. 38.Today is Saturday. What day of the week will it be after 53 days? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
39. 39.Today is Tuesday. What day of the week will it be after 40 days? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
40. 40.Today is Wednesday. What day of the week will it be after 91 days? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday

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