Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 74 · 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 15 May is a Saturday, what day of the week is 23 May? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
2. 2.If 5 January is a Tuesday, what day of the week is 14 January? (a) Thursday (b) Wednesday (c) Friday (d) Saturday
3. 3.If 22 April is a Friday, what day of the week is 14 May? (a) Saturday (b) Monday (c) Sunday (d) Friday
4. 4.Today is Wednesday. What day of the week will it be after 65 days? (a) Sunday (b) Friday (c) Thursday (d) Saturday
5. 5.Today is Saturday. What day of the week will it be after 29 days? (a) Sunday (b) Tuesday (c) Saturday (d) Monday
6. 6.If 14 January is a Sunday, what day of the week is 15 February? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
7. 7.If 5 October is a Sunday, what day of the week is 17 October? (a) Friday (b) Thursday (c) Sunday (d) Saturday
8. 8.If 28 October is a Tuesday, what day of the week is 1 November? (a) Sunday (b) Monday (c) Friday (d) Saturday
9. 9.If 21 June is a Friday, what day of the week is 4 July? (a) Thursday (b) Wednesday (c) Friday (d) Saturday
10. 10.Today is Tuesday. What day of the week will it be after 67 days? (a) Saturday (b) Sunday (c) Friday (d) Monday
11. 11.If 4 December is a Thursday, what day of the week is 12 December? (a) Sunday (b) Friday (c) Saturday (d) Thursday
12. 12.If 29 May is a Saturday, what day of the week is 5 June? (a) Friday (b) Sunday (c) Monday (d) Saturday
13. 13.If 7 March is a Saturday, what day of the week is 22 March? (a) Saturday (b) Sunday (c) Monday (d) Tuesday
14. 14.Today is Sunday. What day of the week will it be after 31 days? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
15. 15.If 8 March is a Monday, what day of the week is 16 March? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday
16. 16.If 14 July is a Wednesday, what day of the week is 7 August? (a) Saturday (b) Sunday (c) Friday (d) Monday
17. 17.If 12 December is a Tuesday, what day of the week is 20 December? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
18. 18.If 3 December is a Tuesday, what day of the week is 14 December? (a) Saturday (b) Sunday (c) Friday (d) Monday
19. 19.If 20 August is a Wednesday, what day of the week is 6 September? (a) Monday (b) Friday (c) Saturday (d) Sunday
20. 20.If 14 July is a Sunday, what day of the week is 29 July? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
21. 21.Today is Tuesday. What day of the week will it be after 18 days? (a) Saturday (b) Sunday (c) Monday (d) Friday
22. 22.If 11 October is a Monday, what day of the week is 27 October? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
23. 23.If 10 January is a Thursday, what day of the week is 19 January? (a) Friday (b) Saturday (c) Monday (d) Sunday
24. 24.If 3 December is a Saturday, what day of the week is 19 December? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
25. 25.Today is Thursday. What day of the week will it be after 29 days? (a) Sunday (b) Thursday (c) Friday (d) Saturday
26. 26.If 2 March is a Sunday, what day of the week is 11 March? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
27. 27.If 20 June is a Friday, what day of the week is 5 July? (a) Friday (b) Saturday (c) Monday (d) Sunday
28. 28.If 14 May is a Friday, what day of the week is 23 May? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
29. 29.If 3 March is a Thursday, what day of the week is 12 March? (a) Saturday (b) Sunday (c) Friday (d) Monday
30. 30.If 15 August is a Thursday, what day of the week is 31 August? (a) Saturday (b) Friday (c) Monday (d) Sunday
31. 31.If 6 July is a Thursday, what day of the week is 19 July? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
32. 32.If 24 June is a Monday, what day of the week is 8 July? (a) Wednesday (b) Monday (c) Sunday (d) Tuesday
33. 33.If 1 October is a Monday, what day of the week is 16 October? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
34. 34.Today is Saturday. What day of the week will it be after 99 days? (a) Monday (b) Sunday (c) Saturday (d) Tuesday
35. 35.Today is Friday. What day of the week will it be after 67 days? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
36. 36.Today is Monday. What day of the week will it be after 90 days? (a) Tuesday (b) Sunday (c) Monday (d) Saturday
37. 37.If 24 April is a Saturday, what day of the week is 7 May? (a) Friday (b) Thursday (c) Saturday (d) Sunday
38. 38.Today is Tuesday. What day of the week will it be after 49 days? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
39. 39.If 12 August is a Monday, what day of the week is 9 September? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
40. 40.If 3 October is a Thursday, what day of the week is 16 October? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday

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