Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 818 · 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 20 May is a Sunday, what day of the week is 6 June? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
2. 2.If 14 August is a Monday, what day of the week is 12 September? (a) Tuesday (b) Monday (c) Wednesday (d) Thursday
3. 3.If 11 January is a Sunday, what day of the week is 11 February? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
4. 4.If 4 August is a Saturday, what day of the week is 16 August? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
5. 5.If 13 March is a Sunday, what day of the week is 21 March? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
6. 6.If 1 January is a Wednesday, what day of the week is 12 January? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
7. 7.If 27 July is a Saturday, what day of the week is 16 August? (a) Saturday (b) Thursday (c) Sunday (d) Friday
8. 8.If 4 July is a Monday, what day of the week is 20 July? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
9. 9.Today is Monday. What day of the week will it be after 34 days? (a) Monday (b) Sunday (c) Saturday (d) Tuesday
10. 10.If 15 August is a Thursday, what day of the week is 24 August? (a) Friday (b) Monday (c) Sunday (d) Saturday
11. 11.If 1 August is a Thursday, what day of the week is 16 August? (a) Saturday (b) Thursday (c) Sunday (d) Friday
12. 12.If 13 July is a Friday, what day of the week is 28 July? (a) Friday (b) Sunday (c) Saturday (d) Monday
13. 13.If 12 April is a Friday, what day of the week is 11 May? (a) Friday (b) Saturday (c) Sunday (d) Monday
14. 14.Today is Monday. What day of the week will it be after 48 days? (a) Monday (b) Sunday (c) Tuesday (d) Saturday
15. 15.Today is Thursday. What day of the week will it be after 85 days? (a) Friday (b) Thursday (c) Saturday (d) Sunday
16. 16.If 21 March is a Thursday, what day of the week is 11 April? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
17. 17.If 1 July is a Monday, what day of the week is 10 July? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
18. 18.Today is Monday. What day of the week will it be after 69 days? (a) Sunday (b) Tuesday (c) Saturday (d) Monday
19. 19.If 23 July is a Wednesday, what day of the week is 10 August? (a) Monday (b) Sunday (c) Tuesday (d) Saturday
20. 20.Today is Friday. What day of the week will it be after 72 days? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
21. 21.If 12 December is a Sunday, what day of the week is 24 December? (a) Friday (b) Sunday (c) Saturday (d) Thursday
22. 22.If 25 September is a Wednesday, what day of the week is 8 October? (a) Wednesday (b) Tuesday (c) Thursday (d) Monday
23. 23.If 9 March is a Wednesday, what day of the week is 24 March? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
24. 24.If 7 January is a Tuesday, what day of the week is 16 January? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
25. 25.If 6 October is a Monday, what day of the week is 19 October? (a) Saturday (b) Sunday (c) Monday (d) Tuesday
26. 26.If 21 March is a Friday, what day of the week is 7 April? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
27. 27.If 11 December is a Tuesday, what day of the week is 22 December? (a) Friday (b) Monday (c) Sunday (d) Saturday
28. 28.Today is Wednesday. What day of the week will it be after 23 days? (a) Friday (b) Saturday (c) Sunday (d) Thursday
29. 29.If 15 January is a Tuesday, what day of the week is 2 February? (a) Sunday (b) Saturday (c) Friday (d) Monday
30. 30.Today is Thursday. What day of the week will it be after 40 days? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
31. 31.If 13 June is a Thursday, what day of the week is 6 July? (a) Sunday (b) Monday (c) Friday (d) Saturday
32. 32.Today is Wednesday. What day of the week will it be after 58 days? (a) Sunday (b) Thursday (c) Friday (d) Saturday
33. 33.If 12 June is a Friday, what day of the week is 5 July? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
34. 34.If 20 May is a Monday, what day of the week is 18 June? (a) Tuesday (b) Wednesday (c) Thursday (d) Monday
35. 35.Today is Tuesday. What day of the week will it be after 22 days? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
36. 36.Today is Wednesday. What day of the week will it be after 55 days? (a) Tuesday (b) Thursday (c) Wednesday (d) Monday
37. 37.Today is Thursday. What day of the week will it be after 90 days? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
38. 38.If 19 August is a Saturday, what day of the week is 17 September? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
39. 39.If 7 January is a Tuesday, what day of the week is 15 January? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
40. 40.If 30 June is a Friday, what day of the week is 18 July? (a) Wednesday (b) Tuesday (c) Thursday (d) Monday

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