Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 311 · 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 9 March is a Sunday, what day of the week is 17 March? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
2. 2.If 7 March is a Tuesday, what day of the week is 20 March? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
3. 3.If 7 December is a Wednesday, what day of the week is 15 December? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
4. 4.If 9 January is a Wednesday, what day of the week is 19 January? (a) Monday (b) Friday (c) Saturday (d) Sunday
5. 5.Today is Sunday. What day of the week will it be after 12 days? (a) Thursday (b) Friday (c) Sunday (d) Saturday
6. 6.If 5 January is a Thursday, what day of the week is 13 January? (a) Saturday (b) Thursday (c) Sunday (d) Friday
7. 7.If 27 November is a Tuesday, what day of the week is 4 December? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
8. 8.If 14 August is a Monday, what day of the week is 24 August? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
9. 9.Today is Sunday. What day of the week will it be after 93 days? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
10. 10.If 11 July is a Friday, what day of the week is 27 July? (a) Saturday (b) Sunday (c) Monday (d) Tuesday
11. 11.If 1 January is a Thursday, what day of the week is 9 January? (a) Thursday (b) Sunday (c) Saturday (d) Friday
12. 12.If 2 January is a Thursday, what day of the week is 18 January? (a) Monday (b) Sunday (c) Friday (d) Saturday
13. 13.If 16 March is a Thursday, what day of the week is 15 April? (a) Friday (b) Saturday (c) Sunday (d) Monday
14. 14.If 13 November is a Thursday, what day of the week is 19 December? (a) Sunday (b) Friday (c) Thursday (d) Saturday
15. 15.If 30 March is a Friday, what day of the week is 15 April? (a) Saturday (b) Sunday (c) Monday (d) Tuesday
16. 16.If 10 March is a Tuesday, what day of the week is 18 March? (a) Tuesday (b) Thursday (c) Wednesday (d) Friday
17. 17.If 18 July is a Monday, what day of the week is 11 August? (a) Friday (b) Thursday (c) Wednesday (d) Saturday
18. 18.If 11 October is a Wednesday, what day of the week is 24 October? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
19. 19.Today is Sunday. What day of the week will it be after 21 days? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
20. 20.If 10 July is a Friday, what day of the week is 22 July? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
21. 21.If 5 December is a Monday, what day of the week is 19 December? (a) Wednesday (b) Monday (c) Sunday (d) Tuesday
22. 22.If 14 April is a Sunday, what day of the week is 9 May? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
23. 23.If 2 December is a Thursday, what day of the week is 14 December? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
24. 24.Today is Friday. What day of the week will it be after 91 days? (a) Saturday (b) Sunday (c) Friday (d) Thursday
25. 25.Today is Tuesday. What day of the week will it be after 55 days? (a) Monday (b) Tuesday (c) Sunday (d) Wednesday
26. 26.Today is Thursday. What day of the week will it be after 84 days? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
27. 27.If 15 March is a Tuesday, what day of the week is 27 March? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
28. 28.If 5 March is a Wednesday, what day of the week is 20 March? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
29. 29.Today is Wednesday. What day of the week will it be after 50 days? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
30. 30.If 10 August is a Wednesday, what day of the week is 26 August? (a) Thursday (b) Saturday (c) Sunday (d) Friday
31. 31.Today is Saturday. What day of the week will it be after 100 days? (a) Sunday (b) Monday (c) Tuesday (d) Wednesday
32. 32.If 5 January is a Monday, what day of the week is 19 January? (a) Wednesday (b) Monday (c) Tuesday (d) Sunday
33. 33.Today is Friday. What day of the week will it be after 29 days? (a) Saturday (b) Sunday (c) Monday (d) Friday
34. 34.If 2 March is a Sunday, what day of the week is 16 March? (a) Sunday (b) Tuesday (c) Saturday (d) Monday
35. 35.If 16 July is a Thursday, what day of the week is 5 August? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
36. 36.If 12 April is a Monday, what day of the week is 11 May? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
37. 37.If 15 July is a Thursday, what day of the week is 24 July? (a) Saturday (b) Friday (c) Monday (d) Sunday
38. 38.If 10 October is a Wednesday, what day of the week is 5 November? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
39. 39.If 1 December is a Tuesday, what day of the week is 11 December? (a) Saturday (b) Thursday (c) Friday (d) Sunday
40. 40.If 26 November is a Saturday, what day of the week is 4 December? (a) Tuesday (b) Saturday (c) Sunday (d) Monday

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