Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 531 · 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 Saturday. What day of the week will it be after 18 days? (a) Wednesday (b) Tuesday (c) Friday (d) Thursday
2. 2.If 1 December is a Sunday, what day of the week is 17 December? (a) Tuesday (b) Monday (c) Wednesday (d) Thursday
3. 3.Today is Thursday. What day of the week will it be after 50 days? (a) Saturday (b) Friday (c) Sunday (d) Thursday
4. 4.If 10 May is a Tuesday, what day of the week is 20 May? (a) Saturday (b) Thursday (c) Friday (d) Sunday
5. 5.Today is Monday. What day of the week will it be after 74 days? (a) Saturday (b) Sunday (c) Thursday (d) Friday
6. 6.Today is Saturday. What day of the week will it be after 28 days? (a) Saturday (b) Sunday (c) Friday (d) Monday
7. 7.Today is Thursday. What day of the week will it be after 87 days? (a) Sunday (b) Saturday (c) Tuesday (d) Monday
8. 8.If 3 August is a Saturday, what day of the week is 15 August? (a) Wednesday (b) Thursday (c) Saturday (d) Friday
9. 9.Today is Sunday. What day of the week will it be after 88 days? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
10. 10.If 31 January is a Sunday, what day of the week is 19 February? (a) Friday (b) Saturday (c) Sunday (d) Thursday
11. 11.If 20 June is a Tuesday, what day of the week is 6 July? (a) Thursday (b) Wednesday (c) Saturday (d) Friday
12. 12.If 28 August is a Wednesday, what day of the week is 6 September? (a) Saturday (b) Sunday (c) Thursday (d) Friday
13. 13.If 16 January is a Friday, what day of the week is 2 February? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
14. 14.If 30 August is a Tuesday, what day of the week is 14 September? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
15. 15.If 13 December is a Sunday, what day of the week is 24 December? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
16. 16.If 23 March is a Saturday, what day of the week is 5 April? (a) Thursday (b) Friday (c) Saturday (d) Sunday
17. 17.If 6 January is a Tuesday, what day of the week is 14 January? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
18. 18.If 12 December is a Wednesday, what day of the week is 28 December? (a) Thursday (b) Saturday (c) Sunday (d) Friday
19. 19.If 9 December is a Sunday, what day of the week is 18 December? (a) Tuesday (b) Thursday (c) Wednesday (d) Monday
20. 20.If 30 May is a Friday, what day of the week is 1 June? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
21. 21.Today is Wednesday. What day of the week will it be after 17 days? (a) Friday (b) Monday (c) Sunday (d) Saturday
22. 22.If 9 December is a Monday, what day of the week is 23 December? (a) Monday (b) Wednesday (c) Tuesday (d) Sunday
23. 23.Today is Monday. What day of the week will it be after 60 days? (a) Thursday (b) Sunday (c) Friday (d) Saturday
24. 24.Today is Saturday. What day of the week will it be after 31 days? (a) Tuesday (b) Thursday (c) Wednesday (d) Monday
25. 25.Today is Saturday. What day of the week will it be after 13 days? (a) Thursday (b) Friday (c) Saturday (d) Sunday
26. 26.If 15 May is a Monday, what day of the week is 30 May? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
27. 27.If 3 December is a Wednesday, what day of the week is 16 December? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
28. 28.If 23 June is a Tuesday, what day of the week is 15 July? (a) Wednesday (b) Tuesday (c) Friday (d) Thursday
29. 29.If 13 August is a Sunday, what day of the week is 22 August? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
30. 30.If 22 April is a Friday, what day of the week is 11 May? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
31. 31.If 11 April is a Tuesday, what day of the week is 13 May? (a) Sunday (b) Friday (c) Monday (d) Saturday
32. 32.If 3 August is a Monday, what day of the week is 13 August? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
33. 33.Today is Friday. What day of the week will it be after 60 days? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
34. 34.Today is Tuesday. What day of the week will it be after 50 days? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
35. 35.If 15 May is a Tuesday, what day of the week is 5 June? (a) Wednesday (b) Tuesday (c) Thursday (d) Monday
36. 36.If 14 March is a Thursday, what day of the week is 30 March? (a) Friday (b) Sunday (c) Saturday (d) Monday
37. 37.If 3 August is a Thursday, what day of the week is 11 August? (a) Thursday (b) Friday (c) Sunday (d) Saturday
38. 38.Today is Friday. What day of the week will it be after 34 days? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
39. 39.If 9 July is a Tuesday, what day of the week is 17 July? (a) Wednesday (b) Tuesday (c) Friday (d) Thursday
40. 40.If 26 November is a Tuesday, what day of the week is 3 December? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday

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