Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 509 · 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 1 July is a Saturday, what day of the week is 10 July? (a) Wednesday (b) Tuesday (c) Monday (d) Sunday
2. 2.If 28 May is a Tuesday, what day of the week is 16 June? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
3. 3.If 4 August is a Tuesday, what day of the week is 16 August? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
4. 4.If 20 August is a Saturday, what day of the week is 1 September? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
5. 5.If 9 July is a Saturday, what day of the week is 21 July? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
6. 6.If 9 March is a Thursday, what day of the week is 20 March? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
7. 7.If 3 March is a Tuesday, what day of the week is 15 March? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
8. 8.If 2 January is a Monday, what day of the week is 14 January? (a) Saturday (b) Friday (c) Monday (d) Sunday
9. 9.Today is Tuesday. What day of the week will it be after 73 days? (a) Saturday (b) Friday (c) Thursday (d) Sunday
10. 10.If 29 May is a Monday, what day of the week is 11 June? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
11. 11.If 9 March is a Thursday, what day of the week is 17 March? (a) Thursday (b) Saturday (c) Friday (d) Sunday
12. 12.Today is Wednesday. What day of the week will it be after 96 days? (a) Monday (b) Tuesday (c) Sunday (d) Wednesday
13. 13.If 12 October is a Tuesday, what day of the week is 25 October? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
14. 14.If 18 July is a Tuesday, what day of the week is 3 August? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
15. 15.If 7 March is a Monday, what day of the week is 16 March? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
16. 16.Today is Friday. What day of the week will it be after 44 days? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
17. 17.Today is Saturday. What day of the week will it be after 65 days? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
18. 18.If 25 March is a Monday, what day of the week is 18 April? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
19. 19.If 19 November is a Thursday, what day of the week is 7 December? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
20. 20.If 3 July is a Monday, what day of the week is 12 July? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
21. 21.If 11 October is a Wednesday, what day of the week is 14 November? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
22. 22.If 11 March is a Wednesday, what day of the week is 20 March? (a) Saturday (b) Friday (c) Sunday (d) Thursday
23. 23.If 27 August is a Thursday, what day of the week is 17 September? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
24. 24.If 15 October is a Sunday, what day of the week is 24 October? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
25. 25.If 15 July is a Wednesday, what day of the week is 31 July? (a) Thursday (b) Friday (c) Sunday (d) Saturday
26. 26.If 6 July is a Tuesday, what day of the week is 18 July? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
27. 27.If 10 November is a Thursday, what day of the week is 19 December? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
28. 28.If 12 December is a Tuesday, what day of the week is 27 December? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
29. 29.If 9 January is a Thursday, what day of the week is 20 January? (a) Sunday (b) Monday (c) Tuesday (d) Wednesday
30. 30.If 24 October is a Sunday, what day of the week is 15 November? (a) Monday (b) Tuesday (c) Sunday (d) Wednesday
31. 31.Today is Sunday. What day of the week will it be after 49 days? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
32. 32.If 4 January is a Tuesday, what day of the week is 15 January? (a) Saturday (b) Monday (c) Sunday (d) Friday
33. 33.If 11 August is a Friday, what day of the week is 22 August? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
34. 34.Today is Tuesday. What day of the week will it be after 91 days? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
35. 35.Today is Thursday. What day of the week will it be after 35 days? (a) Thursday (b) Friday (c) Saturday (d) Wednesday
36. 36.If 29 June is a Friday, what day of the week is 1 July? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
37. 37.If 4 October is a Monday, what day of the week is 15 October? (a) Saturday (b) Sunday (c) Friday (d) Thursday
38. 38.If 3 December is a Wednesday, what day of the week is 18 December? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
39. 39.Today is Monday. What day of the week will it be after 49 days? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
40. 40.If 10 January is a Monday, what day of the week is 22 January? (a) Monday (b) Sunday (c) Saturday (d) Friday

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