Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 563 · 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 15 August is a Saturday, what day of the week is 30 August? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
2. 2.If 12 March is a Monday, what day of the week is 24 March? (a) Friday (b) Sunday (c) Saturday (d) Monday
3. 3.If 1 October is a Monday, what day of the week is 14 October? (a) Tuesday (b) Sunday (c) Saturday (d) Monday
4. 4.If 26 July is a Monday, what day of the week is 11 August? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
5. 5.Today is Thursday. What day of the week will it be after 79 days? (a) Monday (b) Saturday (c) Sunday (d) Friday
6. 6.If 15 October is a Monday, what day of the week is 30 October? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
7. 7.If 26 March is a Sunday, what day of the week is 13 April? (a) Thursday (b) Friday (c) Saturday (d) Wednesday
8. 8.If 3 March is a Monday, what day of the week is 15 March? (a) Friday (b) Sunday (c) Monday (d) Saturday
9. 9.If 8 March is a Wednesday, what day of the week is 19 March? (a) Tuesday (b) Sunday (c) Monday (d) Saturday
10. 10.If 25 September is a Sunday, what day of the week is 9 October? (a) Sunday (b) Monday (c) Saturday (d) Tuesday
11. 11.If 31 May is a Saturday, what day of the week is 17 June? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
12. 12.If 13 November is a Wednesday, what day of the week is 13 December? (a) Sunday (b) Thursday (c) Friday (d) Saturday
13. 13.If 26 November is a Tuesday, what day of the week is 4 December? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
14. 14.If 20 August is a Monday, what day of the week is 2 September? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
15. 15.Today is Tuesday. What day of the week will it be after 67 days? (a) Saturday (b) Monday (c) Sunday (d) Friday
16. 16.Today is Monday. What day of the week will it be after 74 days? (a) Saturday (b) Friday (c) Thursday (d) Sunday
17. 17.Today is Wednesday. What day of the week will it be after 43 days? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
18. 18.If 11 September is a Tuesday, what day of the week is 2 October? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
19. 19.If 11 September is a Thursday, what day of the week is 2 October? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
20. 20.If 9 January is a Saturday, what day of the week is 25 January? (a) Wednesday (b) Monday (c) Tuesday (d) Sunday
21. 21.Today is Tuesday. What day of the week will it be after 30 days? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
22. 22.If 11 March is a Saturday, what day of the week is 20 March? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
23. 23.If 10 August is a Sunday, what day of the week is 25 August? (a) Tuesday (b) Monday (c) Sunday (d) Wednesday
24. 24.If 10 March is a Thursday, what day of the week is 23 March? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
25. 25.If 8 July is a Wednesday, what day of the week is 18 July? (a) Sunday (b) Monday (c) Saturday (d) Friday
26. 26.If 30 March is a Thursday, what day of the week is 17 April? (a) Monday (b) Sunday (c) Wednesday (d) Tuesday
27. 27.If 22 September is a Thursday, what day of the week is 9 October? (a) Sunday (b) Monday (c) Saturday (d) Tuesday
28. 28.If 2 July is a Saturday, what day of the week is 16 July? (a) Sunday (b) Saturday (c) Monday (d) Friday
29. 29.If 19 September is a Sunday, what day of the week is 17 October? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
30. 30.If 22 September is a Wednesday, what day of the week is 7 October? (a) Thursday (b) Wednesday (c) Friday (d) Saturday
31. 31.If 1 July is a Monday, what day of the week is 11 July? (a) Saturday (b) Wednesday (c) Friday (d) Thursday
32. 32.If 15 August is a Saturday, what day of the week is 23 August? (a) Sunday (b) Saturday (c) Monday (d) Tuesday
33. 33.Today is Wednesday. What day of the week will it be after 80 days? (a) Sunday (b) Monday (c) Saturday (d) Friday
34. 34.Today is Wednesday. What day of the week will it be after 64 days? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
35. 35.If 9 January is a Thursday, what day of the week is 24 January? (a) Friday (b) Sunday (c) Thursday (d) Saturday
36. 36.If 3 January is a Friday, what day of the week is 17 January? (a) Thursday (b) Sunday (c) Saturday (d) Friday
37. 37.If 30 August is a Wednesday, what day of the week is 12 September? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
38. 38.If 17 August is a Tuesday, what day of the week is 14 September? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
39. 39.If 4 December is a Monday, what day of the week is 19 December? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
40. 40.Today is Monday. What day of the week will it be after 18 days? (a) Thursday (b) Friday (c) Saturday (d) Sunday

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