Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 81 · 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 2 August is a Tuesday, what day of the week is 11 August? (a) Thursday (b) Saturday (c) Friday (d) Wednesday
2. 2.If 1 August is a Friday, what day of the week is 14 August? (a) Friday (b) Thursday (c) Wednesday (d) Saturday
3. 3.If 12 September is a Wednesday, what day of the week is 6 October? (a) Friday (b) Sunday (c) Monday (d) Saturday
4. 4.If 9 October is a Thursday, what day of the week is 17 October? (a) Thursday (b) Saturday (c) Friday (d) Sunday
5. 5.Today is Tuesday. What day of the week will it be after 99 days? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
6. 6.If 8 March is a Thursday, what day of the week is 20 March? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
7. 7.Today is Wednesday. What day of the week will it be after 82 days? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
8. 8.If 19 November is a Thursday, what day of the week is 20 December? (a) Tuesday (b) Sunday (c) Saturday (d) Monday
9. 9.Today is Saturday. What day of the week will it be after 87 days? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
10. 10.If 1 July is a Wednesday, what day of the week is 14 July? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
11. 11.If 9 August is a Thursday, what day of the week is 22 August? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
12. 12.If 25 March is a Monday, what day of the week is 4 April? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
13. 13.Today is Wednesday. What day of the week will it be after 30 days? (a) Saturday (b) Thursday (c) Friday (d) Sunday
14. 14.Today is Wednesday. What day of the week will it be after 12 days? (a) Tuesday (b) Monday (c) Sunday (d) Wednesday
15. 15.If 24 June is a Sunday, what day of the week is 9 July? (a) Sunday (b) Monday (c) Tuesday (d) Wednesday
16. 16.Today is Thursday. What day of the week will it be after 15 days? (a) Thursday (b) Saturday (c) Sunday (d) Friday
17. 17.If 16 January is a Monday, what day of the week is 6 February? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
18. 18.If 1 August is a Sunday, what day of the week is 17 August? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
19. 19.If 7 March is a Tuesday, what day of the week is 15 March? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
20. 20.If 22 November is a Thursday, what day of the week is 2 December? (a) Tuesday (b) Monday (c) Sunday (d) Saturday
21. 21.If 29 March is a Monday, what day of the week is 4 April? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
22. 22.If 13 December is a Saturday, what day of the week is 26 December? (a) Thursday (b) Saturday (c) Sunday (d) Friday
23. 23.If 18 April is a Monday, what day of the week is 4 May? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
24. 24.Today is Sunday. What day of the week will it be after 87 days? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
25. 25.If 14 June is a Monday, what day of the week is 1 July? (a) Thursday (b) Wednesday (c) Saturday (d) Friday
26. 26.If 8 March is a Monday, what day of the week is 17 March? (a) Wednesday (b) Tuesday (c) Thursday (d) Friday
27. 27.If 3 August is a Tuesday, what day of the week is 12 August? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
28. 28.Today is Monday. What day of the week will it be after 69 days? (a) Tuesday (b) Sunday (c) Monday (d) Saturday
29. 29.Today is Friday. What day of the week will it be after 46 days? (a) Tuesday (b) Wednesday (c) Thursday (d) Monday
30. 30.Today is Tuesday. What day of the week will it be after 43 days? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
31. 31.If 17 July is a Friday, what day of the week is 18 August? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
32. 32.Today is Wednesday. What day of the week will it be after 50 days? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
33. 33.If 27 September is a Monday, what day of the week is 1 October? (a) Friday (b) Saturday (c) Sunday (d) Thursday
34. 34.If 27 January is a Saturday, what day of the week is 7 February? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
35. 35.Today is Sunday. What day of the week will it be after 84 days? (a) Monday (b) Sunday (c) Saturday (d) Tuesday
36. 36.If 24 June is a Friday, what day of the week is 11 July? (a) Monday (b) Wednesday (c) Sunday (d) Tuesday
37. 37.If 6 May is a Monday, what day of the week is 18 May? (a) Saturday (b) Monday (c) Sunday (d) Friday
38. 38.Today is Wednesday. What day of the week will it be after 58 days? (a) Sunday (b) Saturday (c) Thursday (d) Friday
39. 39.Today is Friday. What day of the week will it be after 84 days? (a) Sunday (b) Saturday (c) Thursday (d) Friday
40. 40.If 5 August is a Wednesday, what day of the week is 19 August? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday

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