Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 346 · 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 Monday. What day of the week will it be after 19 days? (a) Monday (b) Sunday (c) Saturday (d) Friday
2. 2.If 26 August is a Monday, what day of the week is 18 September? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
3. 3.Today is Sunday. What day of the week will it be after 60 days? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
4. 4.If 13 October is a Wednesday, what day of the week is 28 October? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
5. 5.If 15 October is a Friday, what day of the week is 14 November? (a) Monday (b) Sunday (c) Saturday (d) Tuesday
6. 6.Today is Wednesday. What day of the week will it be after 21 days? (a) Wednesday (b) Tuesday (c) Thursday (d) Friday
7. 7.Today is Tuesday. What day of the week will it be after 93 days? (a) Thursday (b) Wednesday (c) Friday (d) Saturday
8. 8.If 19 November is a Monday, what day of the week is 3 December? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
9. 9.If 14 November is a Tuesday, what day of the week is 12 December? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
10. 10.Today is Saturday. What day of the week will it be after 95 days? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
11. 11.Today is Sunday. What day of the week will it be after 37 days? (a) Wednesday (b) Tuesday (c) Thursday (d) Monday
12. 12.If 30 November is a Thursday, what day of the week is 4 December? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
13. 13.If 8 October is a Thursday, what day of the week is 17 October? (a) Saturday (b) Monday (c) Sunday (d) Friday
14. 14.If 10 May is a Thursday, what day of the week is 19 May? (a) Saturday (b) Monday (c) Sunday (d) Friday
15. 15.If 24 June is a Thursday, what day of the week is 8 July? (a) Thursday (b) Saturday (c) Wednesday (d) Friday
16. 16.Today is Tuesday. What day of the week will it be after 61 days? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
17. 17.Today is Sunday. What day of the week will it be after 15 days? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
18. 18.Today is Thursday. What day of the week will it be after 51 days? (a) Saturday (b) Friday (c) Sunday (d) Monday
19. 19.Today is Friday. What day of the week will it be after 52 days? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
20. 20.If 11 August is a Thursday, what day of the week is 20 August? (a) Friday (b) Sunday (c) Monday (d) Saturday
21. 21.Today is Monday. What day of the week will it be after 69 days? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
22. 22.Today is Wednesday. What day of the week will it be after 40 days? (a) Tuesday (b) Monday (c) Wednesday (d) Sunday
23. 23.Today is Tuesday. What day of the week will it be after 37 days? (a) Saturday (b) Wednesday (c) Friday (d) Thursday
24. 24.If 6 December is a Tuesday, what day of the week is 22 December? (a) Thursday (b) Wednesday (c) Saturday (d) Friday
25. 25.If 24 May is a Friday, what day of the week is 1 June? (a) Monday (b) Saturday (c) Sunday (d) Friday
26. 26.If 12 December is a Saturday, what day of the week is 28 December? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
27. 27.Today is Friday. What day of the week will it be after 25 days? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
28. 28.If 13 October is a Wednesday, what day of the week is 4 November? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
29. 29.If 14 July is a Thursday, what day of the week is 26 July? (a) Tuesday (b) Wednesday (c) Monday (d) Thursday
30. 30.If 15 March is a Monday, what day of the week is 30 March? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
31. 31.If 27 March is a Tuesday, what day of the week is 3 April? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
32. 32.If 5 October is a Tuesday, what day of the week is 15 October? (a) Friday (b) Thursday (c) Saturday (d) Sunday
33. 33.Today is Thursday. What day of the week will it be after 33 days? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
34. 34.If 4 October is a Tuesday, what day of the week is 13 October? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
35. 35.If 15 May is a Wednesday, what day of the week is 29 May? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
36. 36.Today is Wednesday. What day of the week will it be after 69 days? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
37. 37.Today is Thursday. What day of the week will it be after 79 days? (a) Saturday (b) Monday (c) Sunday (d) Friday
38. 38.Today is Sunday. What day of the week will it be after 96 days? (a) Thursday (b) Sunday (c) Saturday (d) Friday
39. 39.If 13 December is a Monday, what day of the week is 23 December? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
40. 40.Today is Friday. What day of the week will it be after 67 days? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday

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