Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 27 · 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 12 March is a Tuesday, what day of the week is 23 March? (a) Sunday (b) Saturday (c) Friday (d) Monday
2. 2.If 11 March is a Friday, what day of the week is 26 March? (a) Monday (b) Friday (c) Sunday (d) Saturday
3. 3.Today is Thursday. What day of the week will it be after 71 days? (a) Saturday (b) Thursday (c) Sunday (d) Friday
4. 4.If 10 August is a Friday, what day of the week is 3 September? (a) Wednesday (b) Tuesday (c) Sunday (d) Monday
5. 5.If 1 March is a Thursday, what day of the week is 14 March? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
6. 6.If 9 December is a Monday, what day of the week is 25 December? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
7. 7.If 21 July is a Sunday, what day of the week is 11 August? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
8. 8.If 4 August is a Tuesday, what day of the week is 12 August? (a) Tuesday (b) Thursday (c) Wednesday (d) Friday
9. 9.If 10 March is a Sunday, what day of the week is 23 March? (a) Sunday (b) Monday (c) Saturday (d) Friday
10. 10.If 5 July is a Friday, what day of the week is 14 July? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
11. 11.If 13 July is a Wednesday, what day of the week is 23 July? (a) Saturday (b) Monday (c) Friday (d) Sunday
12. 12.Today is Saturday. What day of the week will it be after 97 days? (a) Thursday (b) Saturday (c) Sunday (d) Friday
13. 13.If 16 April is a Tuesday, what day of the week is 15 May? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
14. 14.If 15 January is a Wednesday, what day of the week is 31 January? (a) Thursday (b) Friday (c) Saturday (d) Sunday
15. 15.If 9 March is a Tuesday, what day of the week is 18 March? (a) Thursday (b) Saturday (c) Wednesday (d) Friday
16. 16.Today is Thursday. What day of the week will it be after 94 days? (a) Monday (b) Sunday (c) Saturday (d) Tuesday
17. 17.If 29 June is a Wednesday, what day of the week is 18 July? (a) Tuesday (b) Monday (c) Sunday (d) Wednesday
18. 18.If 10 March is a Wednesday, what day of the week is 23 March? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
19. 19.If 28 September is a Sunday, what day of the week is 4 October? (a) Saturday (b) Sunday (c) Friday (d) Monday
20. 20.If 10 July is a Tuesday, what day of the week is 24 July? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
21. 21.If 14 March is a Thursday, what day of the week is 24 March? (a) Sunday (b) Tuesday (c) Monday (d) Saturday
22. 22.If 13 July is a Tuesday, what day of the week is 21 July? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
23. 23.If 1 May is a Tuesday, what day of the week is 9 May? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
24. 24.Today is Thursday. What day of the week will it be after 25 days? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
25. 25.If 18 August is a Tuesday, what day of the week is 7 September? (a) Sunday (b) Monday (c) Tuesday (d) Wednesday
26. 26.Today is Tuesday. What day of the week will it be after 60 days? (a) Sunday (b) Monday (c) Saturday (d) Friday
27. 27.If 4 January is a Thursday, what day of the week is 19 January? (a) Thursday (b) Friday (c) Saturday (d) Sunday
28. 28.Today is Saturday. What day of the week will it be after 10 days? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
29. 29.Today is Friday. What day of the week will it be after 11 days? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
30. 30.Today is Monday. What day of the week will it be after 58 days? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
31. 31.If 6 May is a Monday, what day of the week is 14 May? (a) Tuesday (b) Wednesday (c) Thursday (d) Monday
32. 32.If 22 July is a Sunday, what day of the week is 4 August? (a) Monday (b) Friday (c) Sunday (d) Saturday
33. 33.If 10 December is a Friday, what day of the week is 20 December? (a) Wednesday (b) Monday (c) Sunday (d) Tuesday
34. 34.If 4 March is a Sunday, what day of the week is 17 March? (a) Saturday (b) Monday (c) Sunday (d) Friday
35. 35.Today is Friday. What day of the week will it be after 50 days? (a) Saturday (b) Sunday (c) Monday (d) Friday
36. 36.If 17 March is a Thursday, what day of the week is 20 April? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
37. 37.If 4 January is a Thursday, what day of the week is 12 January? (a) Friday (b) Thursday (c) Sunday (d) Saturday
38. 38.If 25 November is a Saturday, what day of the week is 20 December? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
39. 39.If 10 August is a Wednesday, what day of the week is 25 August? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
40. 40.If 12 October is a Wednesday, what day of the week is 14 November? (a) Monday (b) Sunday (c) Tuesday (d) Wednesday

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