Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 961 · 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 16 January is a Monday, what day of the week is 14 February? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
2. 2.Today is Friday. What day of the week will it be after 40 days? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
3. 3.Today is Sunday. What day of the week will it be after 77 days? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
4. 4.If 8 January is a Monday, what day of the week is 22 January? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
5. 5.If 11 January is a Tuesday, what day of the week is 27 January? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
6. 6.If 18 July is a Monday, what day of the week is 10 August? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
7. 7.If 23 September is a Monday, what day of the week is 9 October? (a) Wednesday (b) Tuesday (c) Thursday (d) Friday
8. 8.If 8 May is a Saturday, what day of the week is 16 May? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
9. 9.Today is Monday. What day of the week will it be after 74 days? (a) Saturday (b) Friday (c) Sunday (d) Thursday
10. 10.If 31 August is a Friday, what day of the week is 20 September? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
11. 11.Today is Tuesday. What day of the week will it be after 59 days? (a) Thursday (b) Sunday (c) Friday (d) Saturday
12. 12.If 14 August is a Sunday, what day of the week is 26 August? (a) Thursday (b) Sunday (c) Friday (d) Saturday
13. 13.If 3 January is a Saturday, what day of the week is 17 January? (a) Monday (b) Saturday (c) Sunday (d) Friday
14. 14.If 19 April is a Saturday, what day of the week is 12 May? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
15. 15.If 14 January is a Friday, what day of the week is 29 January? (a) Monday (b) Friday (c) Saturday (d) Sunday
16. 16.If 18 June is a Wednesday, what day of the week is 12 July? (a) Sunday (b) Saturday (c) Monday (d) Friday
17. 17.If 6 January is a Sunday, what day of the week is 15 January? (a) Tuesday (b) Monday (c) Wednesday (d) Thursday
18. 18.If 11 January is a Saturday, what day of the week is 27 January? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
19. 19.If 7 January is a Thursday, what day of the week is 23 January? (a) Sunday (b) Saturday (c) Friday (d) Monday
20. 20.If 21 January is a Tuesday, what day of the week is 4 February? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
21. 21.If 16 January is a Thursday, what day of the week is 1 February? (a) Sunday (b) Monday (c) Friday (d) Saturday
22. 22.If 6 October is a Wednesday, what day of the week is 16 October? (a) Sunday (b) Friday (c) Monday (d) Saturday
23. 23.Today is Monday. What day of the week will it be after 18 days? (a) Thursday (b) Friday (c) Sunday (d) Saturday
24. 24.Today is Saturday. What day of the week will it be after 80 days? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
25. 25.If 12 March is a Wednesday, what day of the week is 14 April? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
26. 26.If 11 October is a Wednesday, what day of the week is 26 October? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
27. 27.If 4 March is a Sunday, what day of the week is 13 March? (a) Tuesday (b) Thursday (c) Monday (d) Wednesday
28. 28.If 12 August is a Sunday, what day of the week is 20 August? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
29. 29.If 12 October is a Monday, what day of the week is 21 October? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
30. 30.If 22 March is a Sunday, what day of the week is 10 April? (a) Saturday (b) Sunday (c) Friday (d) Thursday
31. 31.If 9 March is a Sunday, what day of the week is 25 March? (a) Tuesday (b) Thursday (c) Wednesday (d) Monday
32. 32.If 13 March is a Sunday, what day of the week is 22 March? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
33. 33.Today is Wednesday. What day of the week will it be after 88 days? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
34. 34.If 28 July is a Sunday, what day of the week is 8 August? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
35. 35.If 30 August is a Tuesday, what day of the week is 12 September? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
36. 36.Today is Saturday. What day of the week will it be after 11 days? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
37. 37.If 19 January is a Tuesday, what day of the week is 3 February? (a) Wednesday (b) Tuesday (c) Friday (d) Thursday
38. 38.If 7 August is a Friday, what day of the week is 21 August? (a) Saturday (b) Friday (c) Sunday (d) Thursday
39. 39.If 19 June is a Sunday, what day of the week is 11 July? (a) Tuesday (b) Monday (c) Wednesday (d) Sunday
40. 40.If 13 August is a Wednesday, what day of the week is 6 September? (a) Friday (b) Saturday (c) Sunday (d) Monday

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