Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 475 · 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.Today is Wednesday. What day of the week will it be after 52 days? (a) Monday (b) Saturday (c) Friday (d) Sunday
2. 2.If 1 May is a Monday, what day of the week is 13 May? (a) Monday (b) Sunday (c) Saturday (d) Friday
3. 3.If 23 October is a Monday, what day of the week is 2 November? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
4. 4.If 15 May is a Wednesday, what day of the week is 24 May? (a) Friday (b) Saturday (c) Sunday (d) Thursday
5. 5.If 26 August is a Sunday, what day of the week is 20 September? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
6. 6.If 9 January is a Monday, what day of the week is 18 January? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
7. 7.Today is Monday. What day of the week will it be after 54 days? (a) Friday (b) Monday (c) Sunday (d) Saturday
8. 8.If 14 August is a Thursday, what day of the week is 6 September? (a) Monday (b) Saturday (c) Friday (d) Sunday
9. 9.Today is Monday. What day of the week will it be after 10 days? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
10. 10.If 10 November is a Saturday, what day of the week is 12 December? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
11. 11.If 25 April is a Tuesday, what day of the week is 16 May? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
12. 12.If 14 August is a Tuesday, what day of the week is 30 August? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
13. 13.If 3 December is a Monday, what day of the week is 13 December? (a) Friday (b) Thursday (c) Wednesday (d) Saturday
14. 14.If 18 July is a Sunday, what day of the week is 14 August? (a) Monday (b) Sunday (c) Saturday (d) Friday
15. 15.If 15 October is a Tuesday, what day of the week is 25 October? (a) Friday (b) Thursday (c) Saturday (d) Sunday
16. 16.Today is Thursday. What day of the week will it be after 13 days? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
17. 17.If 2 August is a Saturday, what day of the week is 14 August? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
18. 18.Today is Wednesday. What day of the week will it be after 51 days? (a) Saturday (b) Thursday (c) Friday (d) Sunday
19. 19.If 10 July is a Thursday, what day of the week is 26 July? (a) Saturday (b) Friday (c) Sunday (d) Monday
20. 20.If 6 January is a Sunday, what day of the week is 14 January? (a) Wednesday (b) Monday (c) Tuesday (d) Sunday
21. 21.Today is Thursday. What day of the week will it be after 51 days? (a) Friday (b) Monday (c) Sunday (d) Saturday
22. 22.If 1 July is a Wednesday, what day of the week is 9 July? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
23. 23.If 11 December is a Wednesday, what day of the week is 19 December? (a) Saturday (b) Wednesday (c) Friday (d) Thursday
24. 24.If 2 July is a Friday, what day of the week is 11 July? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
25. 25.If 4 May is a Wednesday, what day of the week is 19 May? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
26. 26.If 9 May is a Friday, what day of the week is 21 May? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
27. 27.If 20 April is a Thursday, what day of the week is 10 May? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
28. 28.If 14 May is a Monday, what day of the week is 23 May? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
29. 29.If 14 January is a Friday, what day of the week is 25 January? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
30. 30.Today is Saturday. What day of the week will it be after 27 days? (a) Thursday (b) Saturday (c) Sunday (d) Friday
31. 31.Today is Saturday. What day of the week will it be after 86 days? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
32. 32.If 10 April is a Thursday, what day of the week is 18 May? (a) Tuesday (b) Monday (c) Sunday (d) Saturday
33. 33.If 6 July is a Thursday, what day of the week is 21 July? (a) Saturday (b) Sunday (c) Friday (d) Thursday
34. 34.Today is Saturday. What day of the week will it be after 15 days? (a) Saturday (b) Sunday (c) Monday (d) Tuesday
35. 35.If 10 January is a Tuesday, what day of the week is 18 January? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
36. 36.If 2 January is a Thursday, what day of the week is 13 January? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
37. 37.Today is Sunday. What day of the week will it be after 10 days? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
38. 38.If 25 September is a Friday, what day of the week is 7 October? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
39. 39.If 14 October is a Tuesday, what day of the week is 22 October? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
40. 40.If 26 January is a Saturday, what day of the week is 10 February? (a) Saturday (b) Monday (c) Tuesday (d) Sunday

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