Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 68 · 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 Tuesday. What day of the week will it be after 89 days? (a) Sunday (b) Monday (c) Saturday (d) Tuesday
2. 2.Today is Wednesday. What day of the week will it be after 15 days? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
3. 3.Today is Friday. What day of the week will it be after 35 days? (a) Thursday (b) Friday (c) Sunday (d) Saturday
4. 4.If 13 March is a Tuesday, what day of the week is 19 April? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
5. 5.If 4 October is a Wednesday, what day of the week is 15 October? (a) Tuesday (b) Monday (c) Sunday (d) Saturday
6. 6.If 14 January is a Sunday, what day of the week is 8 February? (a) Thursday (b) Saturday (c) Friday (d) Wednesday
7. 7.Today is Friday. What day of the week will it be after 93 days? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
8. 8.If 8 December is a Sunday, what day of the week is 22 December? (a) Sunday (b) Tuesday (c) Monday (d) Saturday
9. 9.Today is Sunday. What day of the week will it be after 92 days? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
10. 10.Today is Saturday. What day of the week will it be after 65 days? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
11. 11.If 25 June is a Tuesday, what day of the week is 12 July? (a) Saturday (b) Thursday (c) Friday (d) Sunday
12. 12.If 2 December is a Thursday, what day of the week is 16 December? (a) Thursday (b) Friday (c) Saturday (d) Wednesday
13. 13.If 13 January is a Tuesday, what day of the week is 23 January? (a) Sunday (b) Friday (c) Thursday (d) Saturday
14. 14.If 12 July is a Wednesday, what day of the week is 21 July? (a) Sunday (b) Thursday (c) Friday (d) Saturday
15. 15.If 12 October is a Thursday, what day of the week is 18 November? (a) Friday (b) Monday (c) Saturday (d) Sunday
16. 16.Today is Thursday. What day of the week will it be after 68 days? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
17. 17.Today is Wednesday. What day of the week will it be after 20 days? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
18. 18.Today is Tuesday. What day of the week will it be after 72 days? (a) Thursday (b) Wednesday (c) Saturday (d) Friday
19. 19.If 14 May is a Monday, what day of the week is 3 June? (a) Monday (b) Sunday (c) Tuesday (d) Saturday
20. 20.If 5 August is a Friday, what day of the week is 19 August? (a) Thursday (b) Friday (c) Sunday (d) Saturday
21. 21.If 11 August is a Tuesday, what day of the week is 1 September? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
22. 22.Today is Monday. What day of the week will it be after 42 days? (a) Monday (b) Sunday (c) Tuesday (d) Wednesday
23. 23.If 11 October is a Wednesday, what day of the week is 24 October? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
24. 24.If 14 January is a Thursday, what day of the week is 22 January? (a) Saturday (b) Sunday (c) Friday (d) Thursday
25. 25.If 9 August is a Sunday, what day of the week is 20 August? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
26. 26.If 11 January is a Sunday, what day of the week is 26 January? (a) Tuesday (b) Monday (c) Sunday (d) Wednesday
27. 27.If 2 May is a Thursday, what day of the week is 18 May? (a) Sunday (b) Saturday (c) Friday (d) Monday
28. 28.Today is Wednesday. What day of the week will it be after 39 days? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
29. 29.If 12 August is a Thursday, what day of the week is 24 August? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
30. 30.If 23 June is a Tuesday, what day of the week is 8 July? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
31. 31.If 10 October is a Wednesday, what day of the week is 23 October? (a) Tuesday (b) Wednesday (c) Monday (d) Thursday
32. 32.If 1 August is a Wednesday, what day of the week is 17 August? (a) Thursday (b) Friday (c) Sunday (d) Saturday
33. 33.If 15 June is a Monday, what day of the week is 8 July? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
34. 34.Today is Friday. What day of the week will it be after 57 days? (a) Monday (b) Saturday (c) Friday (d) Sunday
35. 35.If 9 July is a Thursday, what day of the week is 25 July? (a) Sunday (b) Monday (c) Friday (d) Saturday
36. 36.If 17 March is a Tuesday, what day of the week is 5 April? (a) Tuesday (b) Monday (c) Sunday (d) Saturday
37. 37.If 15 November is a Wednesday, what day of the week is 14 December? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
38. 38.If 15 July is a Saturday, what day of the week is 27 July? (a) Thursday (b) Wednesday (c) Saturday (d) Friday
39. 39.If 11 January is a Friday, what day of the week is 24 January? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
40. 40.If 14 January is a Thursday, what day of the week is 10 February? (a) Wednesday (b) Friday (c) Thursday (d) Tuesday

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