Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 573 · 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 Sunday. What day of the week will it be after 88 days? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
2. 2.If 13 March is a Sunday, what day of the week is 29 March? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
3. 3.If 1 July is a Monday, what day of the week is 10 July? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
4. 4.If 26 August is a Monday, what day of the week is 13 September? (a) Sunday (b) Thursday (c) Saturday (d) Friday
5. 5.If 4 January is a Friday, what day of the week is 13 January? (a) Sunday (b) Monday (c) Saturday (d) Tuesday
6. 6.If 13 November is a Thursday, what day of the week is 10 December? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
7. 7.If 13 August is a Monday, what day of the week is 29 August? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
8. 8.Today is Wednesday. What day of the week will it be after 10 days? (a) Sunday (b) Saturday (c) Monday (d) Friday
9. 9.Today is Thursday. What day of the week will it be after 34 days? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
10. 10.Today is Thursday. What day of the week will it be after 99 days? (a) Thursday (b) Sunday (c) Saturday (d) Friday
11. 11.Today is Thursday. What day of the week will it be after 69 days? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
12. 12.If 14 January is a Sunday, what day of the week is 22 January? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
13. 13.If 5 August is a Friday, what day of the week is 15 August? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
14. 14.If 2 October is a Saturday, what day of the week is 16 October? (a) Sunday (b) Monday (c) Saturday (d) Friday
15. 15.If 24 May is a Sunday, what day of the week is 11 June? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
16. 16.Today is Tuesday. What day of the week will it be after 29 days? (a) Wednesday (b) Friday (c) Thursday (d) Tuesday
17. 17.Today is Saturday. What day of the week will it be after 67 days? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
18. 18.If 20 March is a Tuesday, what day of the week is 15 April? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
19. 19.If 24 March is a Tuesday, what day of the week is 14 April? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
20. 20.Today is Sunday. What day of the week will it be after 57 days? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
21. 21.If 4 August is a Tuesday, what day of the week is 13 August? (a) Saturday (b) Wednesday (c) Friday (d) Thursday
22. 22.Today is Friday. What day of the week will it be after 22 days? (a) Sunday (b) Friday (c) Monday (d) Saturday
23. 23.Today is Wednesday. What day of the week will it be after 90 days? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
24. 24.If 26 June is a Monday, what day of the week is 16 July? (a) Sunday (b) Saturday (c) Monday (d) Tuesday
25. 25.If 1 May is a Thursday, what day of the week is 9 May? (a) Friday (b) Sunday (c) Thursday (d) Saturday
26. 26.Today is Monday. What day of the week will it be after 63 days? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
27. 27.Today is Sunday. What day of the week will it be after 92 days? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
28. 28.Today is Monday. What day of the week will it be after 57 days? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
29. 29.If 6 March is a Monday, what day of the week is 14 March? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
30. 30.Today is Monday. What day of the week will it be after 31 days? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
31. 31.If 15 August is a Sunday, what day of the week is 31 August? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday
32. 32.If 7 July is a Tuesday, what day of the week is 15 July? (a) Wednesday (b) Tuesday (c) Friday (d) Thursday
33. 33.Today is Monday. What day of the week will it be after 78 days? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
34. 34.If 15 December is a Monday, what day of the week is 25 December? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
35. 35.Today is Saturday. What day of the week will it be after 59 days? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
36. 36.If 17 November is a Sunday, what day of the week is 7 December? (a) Sunday (b) Monday (c) Saturday (d) Friday
37. 37.If 3 May is a Saturday, what day of the week is 14 May? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
38. 38.Today is Friday. What day of the week will it be after 54 days? (a) Wednesday (b) Thursday (c) Tuesday (d) Friday
39. 39.If 1 May is a Tuesday, what day of the week is 12 May? (a) Friday (b) Monday (c) Saturday (d) Sunday
40. 40.If 18 August is a Wednesday, what day of the week is 6 September? (a) Wednesday (b) Tuesday (c) Sunday (d) Monday

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