Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 125 · 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 19 days? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
2. 2.Today is Friday. What day of the week will it be after 69 days? (a) Thursday (b) Friday (c) Saturday (d) Wednesday
3. 3.If 18 March is a Saturday, what day of the week is 15 April? (a) Friday (b) Saturday (c) Monday (d) Sunday
4. 4.If 11 September is a Saturday, what day of the week is 4 October? (a) Tuesday (b) Monday (c) Sunday (d) Wednesday
5. 5.If 31 October is a Monday, what day of the week is 19 November? (a) Monday (b) Friday (c) Sunday (d) Saturday
6. 6.Today is Monday. What day of the week will it be after 37 days? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
7. 7.If 8 October is a Saturday, what day of the week is 19 October? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
8. 8.If 3 December is a Saturday, what day of the week is 12 December? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
9. 9.If 7 October is a Tuesday, what day of the week is 20 October? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
10. 10.If 2 March is a Sunday, what day of the week is 14 March? (a) Thursday (b) Friday (c) Saturday (d) Sunday
11. 11.If 3 October is a Thursday, what day of the week is 12 October? (a) Monday (b) Saturday (c) Sunday (d) Friday
12. 12.If 14 July is a Sunday, what day of the week is 29 July? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
13. 13.If 14 August is a Wednesday, what day of the week is 20 September? (a) Friday (b) Saturday (c) Thursday (d) Sunday
14. 14.If 1 March is a Saturday, what day of the week is 12 March? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
15. 15.If 13 October is a Monday, what day of the week is 21 October? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
16. 16.Today is Friday. What day of the week will it be after 22 days? (a) Sunday (b) Saturday (c) Monday (d) Friday
17. 17.If 9 October is a Saturday, what day of the week is 17 October? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
18. 18.If 30 September is a Saturday, what day of the week is 2 October? (a) Wednesday (b) Tuesday (c) Sunday (d) Monday
19. 19.Today is Saturday. What day of the week will it be after 32 days? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
20. 20.If 4 March is a Thursday, what day of the week is 20 March? (a) Monday (b) Saturday (c) Sunday (d) Friday
21. 21.If 29 November is a Monday, what day of the week is 3 December? (a) Thursday (b) Friday (c) Saturday (d) Sunday
22. 22.If 15 May is a Tuesday, what day of the week is 26 May? (a) Monday (b) Sunday (c) Friday (d) Saturday
23. 23.If 3 August is a Saturday, what day of the week is 11 August? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
24. 24.If 1 December is a Tuesday, what day of the week is 9 December? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
25. 25.If 9 May is a Wednesday, what day of the week is 23 May? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
26. 26.Today is Thursday. What day of the week will it be after 69 days? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
27. 27.If 5 May is a Friday, what day of the week is 17 May? (a) Wednesday (b) Friday (c) Thursday (d) Tuesday
28. 28.Today is Monday. What day of the week will it be after 64 days? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
29. 29.Today is Saturday. What day of the week will it be after 13 days? (a) Thursday (b) Saturday (c) Sunday (d) Friday
30. 30.If 15 August is a Tuesday, what day of the week is 18 September? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
31. 31.If 3 December is a Wednesday, what day of the week is 11 December? (a) Thursday (b) Saturday (c) Wednesday (d) Friday
32. 32.Today is Wednesday. What day of the week will it be after 45 days? (a) Monday (b) Saturday (c) Friday (d) Sunday
33. 33.If 22 November is a Friday, what day of the week is 14 December? (a) Monday (b) Friday (c) Sunday (d) Saturday
34. 34.If 12 October is a Monday, what day of the week is 23 October? (a) Sunday (b) Saturday (c) Thursday (d) Friday
35. 35.If 2 August is a Monday, what day of the week is 14 August? (a) Friday (b) Monday (c) Sunday (d) Saturday
36. 36.If 1 January is a Tuesday, what day of the week is 11 January? (a) Saturday (b) Friday (c) Thursday (d) Sunday
37. 37.Today is Friday. What day of the week will it be after 91 days? (a) Thursday (b) Friday (c) Sunday (d) Saturday
38. 38.If 22 March is a Monday, what day of the week is 20 April? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
39. 39.Today is Tuesday. What day of the week will it be after 10 days? (a) Friday (b) Thursday (c) Sunday (d) Saturday
40. 40.If 17 June is a Saturday, what day of the week is 3 July? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday

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