Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 575 · 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 27 November is a Thursday, what day of the week is 20 December? (a) Monday (b) Saturday (c) Friday (d) Sunday
2. 2.If 17 April is a Friday, what day of the week is 18 May? (a) Tuesday (b) Monday (c) Sunday (d) Wednesday
3. 3.Today is Tuesday. What day of the week will it be after 48 days? (a) Monday (b) Wednesday (c) Tuesday (d) Sunday
4. 4.Today is Saturday. What day of the week will it be after 18 days? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
5. 5.If 15 January is a Tuesday, what day of the week is 30 January? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
6. 6.Today is Saturday. What day of the week will it be after 12 days? (a) Saturday (b) Wednesday (c) Friday (d) Thursday
7. 7.If 24 November is a Wednesday, what day of the week is 10 December? (a) Saturday (b) Thursday (c) Friday (d) Sunday
8. 8.If 11 August is a Friday, what day of the week is 23 August? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
9. 9.Today is Saturday. What day of the week will it be after 64 days? (a) Sunday (b) Saturday (c) Monday (d) Tuesday
10. 10.If 15 January is a Monday, what day of the week is 6 February? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
11. 11.If 15 October is a Thursday, what day of the week is 23 October? (a) Friday (b) Sunday (c) Thursday (d) Saturday
12. 12.If 15 May is a Thursday, what day of the week is 23 May? (a) Sunday (b) Friday (c) Saturday (d) Thursday
13. 13.If 11 October is a Monday, what day of the week is 20 October? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
14. 14.If 13 October is a Tuesday, what day of the week is 2 November? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
15. 15.Today is Friday. What day of the week will it be after 85 days? (a) Saturday (b) Friday (c) Sunday (d) Monday
16. 16.If 8 August is a Wednesday, what day of the week is 17 August? (a) Friday (b) Sunday (c) Thursday (d) Saturday
17. 17.If 9 August is a Saturday, what day of the week is 21 August? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
18. 18.Today is Friday. What day of the week will it be after 67 days? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
19. 19.Today is Thursday. What day of the week will it be after 77 days? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
20. 20.Today is Wednesday. What day of the week will it be after 83 days? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday
21. 21.Today is Sunday. What day of the week will it be after 13 days? (a) Monday (b) Friday (c) Sunday (d) Saturday
22. 22.If 11 May is a Sunday, what day of the week is 23 May? (a) Thursday (b) Saturday (c) Sunday (d) Friday
23. 23.Today is Sunday. What day of the week will it be after 34 days? (a) Sunday (b) Monday (c) Friday (d) Saturday
24. 24.If 14 October is a Tuesday, what day of the week is 22 October? (a) Wednesday (b) Friday (c) Thursday (d) Tuesday
25. 25.If 7 January is a Sunday, what day of the week is 23 January? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday
26. 26.If 14 August is a Saturday, what day of the week is 30 August? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
27. 27.Today is Monday. What day of the week will it be after 88 days? (a) Saturday (b) Thursday (c) Sunday (d) Friday
28. 28.If 4 August is a Thursday, what day of the week is 12 August? (a) Sunday (b) Saturday (c) Friday (d) Thursday
29. 29.If 13 March is a Sunday, what day of the week is 28 March? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
30. 30.If 19 March is a Wednesday, what day of the week is 3 April? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
31. 31.If 11 January is a Friday, what day of the week is 24 January? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
32. 32.If 15 August is a Wednesday, what day of the week is 27 August? (a) Tuesday (b) Monday (c) Wednesday (d) Sunday
33. 33.If 8 December is a Friday, what day of the week is 23 December? (a) Monday (b) Saturday (c) Sunday (d) Friday
34. 34.If 24 November is a Sunday, what day of the week is 15 December? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
35. 35.Today is Monday. What day of the week will it be after 26 days? (a) Friday (b) Saturday (c) Sunday (d) Monday
36. 36.If 31 May is a Wednesday, what day of the week is 20 June? (a) Tuesday (b) Monday (c) Wednesday (d) Thursday
37. 37.If 5 July is a Tuesday, what day of the week is 14 July? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
38. 38.Today is Tuesday. What day of the week will it be after 33 days? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
39. 39.Today is Friday. What day of the week will it be after 29 days? (a) Friday (b) Sunday (c) Saturday (d) Monday
40. 40.If 15 March is a Monday, what day of the week is 25 March? (a) Saturday (b) Friday (c) Thursday (d) Wednesday

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