Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 75 · 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 August is a Tuesday, what day of the week is 10 August? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
2. 2.If 13 December is a Tuesday, what day of the week is 27 December? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
3. 3.If 1 July is a Thursday, what day of the week is 17 July? (a) Sunday (b) Friday (c) Monday (d) Saturday
4. 4.If 27 April is a Sunday, what day of the week is 2 May? (a) Saturday (b) Sunday (c) Friday (d) Thursday
5. 5.If 10 July is a Saturday, what day of the week is 1 August? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
6. 6.If 8 August is a Wednesday, what day of the week is 21 August? (a) Tuesday (b) Wednesday (c) Monday (d) Thursday
7. 7.If 7 July is a Tuesday, what day of the week is 16 July? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
8. 8.Today is Tuesday. What day of the week will it be after 57 days? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
9. 9.If 2 March is a Tuesday, what day of the week is 17 March? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
10. 10.Today is Thursday. What day of the week will it be after 48 days? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
11. 11.If 11 January is a Monday, what day of the week is 20 January? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
12. 12.Today is Thursday. What day of the week will it be after 47 days? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
13. 13.If 1 October is a Tuesday, what day of the week is 9 October? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
14. 14.If 5 March is a Friday, what day of the week is 17 March? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
15. 15.If 13 December is a Tuesday, what day of the week is 24 December? (a) Sunday (b) Friday (c) Saturday (d) Monday
16. 16.If 12 March is a Thursday, what day of the week is 17 April? (a) Thursday (b) Saturday (c) Sunday (d) Friday
17. 17.If 31 May is a Monday, what day of the week is 11 June? (a) Saturday (b) Friday (c) Thursday (d) Sunday
18. 18.If 1 August is a Tuesday, what day of the week is 13 August? (a) Tuesday (b) Sunday (c) Saturday (d) Monday
19. 19.If 6 May is a Wednesday, what day of the week is 19 May? (a) Tuesday (b) Thursday (c) Wednesday (d) Monday
20. 20.If 23 June is a Monday, what day of the week is 17 July? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
21. 21.If 26 May is a Saturday, what day of the week is 17 June? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
22. 22.Today is Thursday. What day of the week will it be after 84 days? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
23. 23.If 9 August is a Monday, what day of the week is 23 August? (a) Sunday (b) Monday (c) Tuesday (d) Wednesday
24. 24.If 5 March is a Tuesday, what day of the week is 16 March? (a) Sunday (b) Friday (c) Monday (d) Saturday
25. 25.If 8 August is a Friday, what day of the week is 18 August? (a) Wednesday (b) Tuesday (c) Monday (d) Sunday
26. 26.If 23 January is a Saturday, what day of the week is 8 February? (a) Wednesday (b) Tuesday (c) Sunday (d) Monday
27. 27.If 10 May is a Sunday, what day of the week is 13 June? (a) Saturday (b) Friday (c) Monday (d) Sunday
28. 28.Today is Wednesday. What day of the week will it be after 91 days? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
29. 29.If 14 January is a Tuesday, what day of the week is 25 January? (a) Saturday (b) Monday (c) Friday (d) Sunday
30. 30.Today is Saturday. What day of the week will it be after 22 days? (a) Sunday (b) Saturday (c) Tuesday (d) Monday
31. 31.If 1 August is a Thursday, what day of the week is 11 August? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
32. 32.If 5 March is a Tuesday, what day of the week is 20 March? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
33. 33.If 14 March is a Thursday, what day of the week is 28 March? (a) Saturday (b) Wednesday (c) Friday (d) Thursday
34. 34.If 2 January is a Tuesday, what day of the week is 10 January? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
35. 35.If 18 January is a Monday, what day of the week is 1 February? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
36. 36.Today is Tuesday. What day of the week will it be after 94 days? (a) Thursday (b) Friday (c) Saturday (d) Sunday
37. 37.If 30 October is a Sunday, what day of the week is 5 November? (a) Saturday (b) Monday (c) Friday (d) Sunday
38. 38.If 12 January is a Sunday, what day of the week is 21 January? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
39. 39.Today is Tuesday. What day of the week will it be after 64 days? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
40. 40.If 12 March is a Sunday, what day of the week is 23 March? (a) Wednesday (b) Thursday (c) Saturday (d) Friday

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