Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 282 · 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 Tuesday. What day of the week will it be after 30 days? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
2. 2.If 13 November is a Wednesday, what day of the week is 4 December? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
3. 3.If 30 January is a Tuesday, what day of the week is 4 February? (a) Sunday (b) Saturday (c) Monday (d) Tuesday
4. 4.If 25 November is a Monday, what day of the week is 6 December? (a) Thursday (b) Saturday (c) Friday (d) Sunday
5. 5.Today is Friday. What day of the week will it be after 81 days? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
6. 6.If 3 March is a Wednesday, what day of the week is 18 March? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
7. 7.If 28 March is a Friday, what day of the week is 9 April? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
8. 8.Today is Monday. What day of the week will it be after 26 days? (a) Saturday (b) Monday (c) Sunday (d) Friday
9. 9.If 27 May is a Saturday, what day of the week is 4 June? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
10. 10.Today is Sunday. What day of the week will it be after 70 days? (a) Sunday (b) Monday (c) Tuesday (d) Saturday
11. 11.If 25 June is a Saturday, what day of the week is 17 July? (a) Saturday (b) Sunday (c) Monday (d) Tuesday
12. 12.If 10 August is a Wednesday, what day of the week is 26 August? (a) Thursday (b) Sunday (c) Friday (d) Saturday
13. 13.If 18 July is a Friday, what day of the week is 7 August? (a) Thursday (b) Friday (c) Saturday (d) Wednesday
14. 14.If 2 January is a Tuesday, what day of the week is 10 January? (a) Wednesday (b) Thursday (c) Tuesday (d) Friday
15. 15.If 3 October is a Sunday, what day of the week is 16 October? (a) Monday (b) Sunday (c) Saturday (d) Friday
16. 16.If 7 March is a Thursday, what day of the week is 21 March? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
17. 17.If 27 January is a Thursday, what day of the week is 9 February? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
18. 18.If 5 October is a Saturday, what day of the week is 15 October? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
19. 19.Today is Monday. What day of the week will it be after 43 days? (a) Wednesday (b) Tuesday (c) Thursday (d) Monday
20. 20.If 16 April is a Thursday, what day of the week is 3 May? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
21. 21.Today is Monday. What day of the week will it be after 22 days? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
22. 22.Today is Monday. What day of the week will it be after 15 days? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
23. 23.If 6 March is a Tuesday, what day of the week is 22 March? (a) Wednesday (b) Thursday (c) Saturday (d) Friday
24. 24.If 1 October is a Thursday, what day of the week is 13 October? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday
25. 25.Today is Saturday. What day of the week will it be after 77 days? (a) Monday (b) Friday (c) Saturday (d) Sunday
26. 26.If 18 November is a Monday, what day of the week is 14 December? (a) Monday (b) Sunday (c) Saturday (d) Friday
27. 27.If 18 April is a Friday, what day of the week is 13 May? (a) Tuesday (b) Thursday (c) Monday (d) Wednesday
28. 28.If 21 June is a Tuesday, what day of the week is 3 July? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
29. 29.If 12 January is a Wednesday, what day of the week is 15 February? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
30. 30.Today is Monday. What day of the week will it be after 39 days? (a) Sunday (b) Friday (c) Saturday (d) Thursday
31. 31.If 10 June is a Thursday, what day of the week is 16 July? (a) Thursday (b) Friday (c) Saturday (d) Sunday
32. 32.If 14 November is a Wednesday, what day of the week is 8 December? (a) Friday (b) Monday (c) Saturday (d) Sunday
33. 33.If 10 December is a Wednesday, what day of the week is 20 December? (a) Friday (b) Monday (c) Saturday (d) Sunday
34. 34.If 15 May is a Tuesday, what day of the week is 24 May? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
35. 35.Today is Monday. What day of the week will it be after 30 days? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
36. 36.If 6 December is a Friday, what day of the week is 21 December? (a) Sunday (b) Monday (c) Friday (d) Saturday
37. 37.Today is Monday. What day of the week will it be after 47 days? (a) Saturday (b) Monday (c) Sunday (d) Friday
38. 38.Today is Wednesday. What day of the week will it be after 11 days? (a) Sunday (b) Saturday (c) Tuesday (d) Monday
39. 39.If 27 January is a Sunday, what day of the week is 4 February? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
40. 40.If 7 January is a Thursday, what day of the week is 21 January? (a) Wednesday (b) Saturday (c) Thursday (d) Friday

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