Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 539 · 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 10 March is a Monday, what day of the week is 24 March? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
2. 2.Today is Friday. What day of the week will it be after 25 days? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
3. 3.If 15 October is a Sunday, what day of the week is 5 November? (a) Tuesday (b) Sunday (c) Saturday (d) Monday
4. 4.Today is Friday. What day of the week will it be after 20 days? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
5. 5.If 4 December is a Friday, what day of the week is 16 December? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
6. 6.Today is Wednesday. What day of the week will it be after 43 days? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
7. 7.If 17 May is a Thursday, what day of the week is 17 June? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
8. 8.If 14 March is a Tuesday, what day of the week is 23 March? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
9. 9.Today is Thursday. What day of the week will it be after 47 days? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
10. 10.If 6 August is a Monday, what day of the week is 21 August? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
11. 11.If 7 January is a Tuesday, what day of the week is 17 January? (a) Sunday (b) Friday (c) Saturday (d) Thursday
12. 12.Today is Wednesday. What day of the week will it be after 24 days? (a) Monday (b) Sunday (c) Friday (d) Saturday
13. 13.If 7 January is a Monday, what day of the week is 16 January? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
14. 14.If 3 January is a Wednesday, what day of the week is 19 January? (a) Friday (b) Sunday (c) Thursday (d) Saturday
15. 15.If 10 December is a Friday, what day of the week is 19 December? (a) Tuesday (b) Sunday (c) Saturday (d) Monday
16. 16.Today is Wednesday. What day of the week will it be after 80 days? (a) Monday (b) Sunday (c) Saturday (d) Friday
17. 17.If 11 October is a Friday, what day of the week is 27 October? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
18. 18.If 12 September is a Friday, what day of the week is 3 October? (a) Thursday (b) Saturday (c) Friday (d) Sunday
19. 19.If 13 November is a Thursday, what day of the week is 10 December? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
20. 20.If 1 July is a Friday, what day of the week is 17 July? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
21. 21.If 11 January is a Monday, what day of the week is 21 January? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
22. 22.If 1 December is a Tuesday, what day of the week is 9 December? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
23. 23.If 5 December is a Friday, what day of the week is 13 December? (a) Sunday (b) Saturday (c) Friday (d) Monday
24. 24.If 10 October is a Monday, what day of the week is 22 October? (a) Saturday (b) Friday (c) Sunday (d) Monday
25. 25.If 1 January is a Monday, what day of the week is 11 January? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
26. 26.Today is Sunday. What day of the week will it be after 30 days? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
27. 27.If 15 July is a Tuesday, what day of the week is 25 July? (a) Sunday (b) Saturday (c) Friday (d) Thursday
28. 28.If 16 January is a Sunday, what day of the week is 17 February? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
29. 29.Today is Thursday. What day of the week will it be after 91 days? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
30. 30.If 15 August is a Thursday, what day of the week is 30 August? (a) Saturday (b) Sunday (c) Thursday (d) Friday
31. 31.If 18 May is a Saturday, what day of the week is 6 June? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
32. 32.If 23 August is a Monday, what day of the week is 2 September? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
33. 33.If 11 January is a Thursday, what day of the week is 25 January? (a) Thursday (b) Friday (c) Saturday (d) Wednesday
34. 34.If 9 December is a Friday, what day of the week is 21 December? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
35. 35.If 14 January is a Wednesday, what day of the week is 24 January? (a) Monday (b) Friday (c) Sunday (d) Saturday
36. 36.If 13 December is a Tuesday, what day of the week is 25 December? (a) Tuesday (b) Sunday (c) Saturday (d) Monday
37. 37.If 4 May is a Thursday, what day of the week is 18 May? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
38. 38.If 9 January is a Wednesday, what day of the week is 21 January? (a) Monday (b) Wednesday (c) Sunday (d) Tuesday
39. 39.Today is Saturday. What day of the week will it be after 52 days? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
40. 40.If 6 July is a Monday, what day of the week is 18 July? (a) Friday (b) Saturday (c) Monday (d) Sunday

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