Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 448 · 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 88 days? (a) Thursday (b) Saturday (c) Friday (d) Sunday
2. 2.Today is Monday. What day of the week will it be after 39 days? (a) Thursday (b) Friday (c) Saturday (d) Sunday
3. 3.If 30 October is a Tuesday, what day of the week is 19 November? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
4. 4.Today is Friday. What day of the week will it be after 12 days? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
5. 5.Today is Friday. What day of the week will it be after 38 days? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
6. 6.Today is Monday. What day of the week will it be after 86 days? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
7. 7.Today is Friday. What day of the week will it be after 76 days? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
8. 8.If 27 July is a Tuesday, what day of the week is 4 August? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
9. 9.If 11 March is a Monday, what day of the week is 26 March? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
10. 10.Today is Friday. What day of the week will it be after 43 days? (a) Sunday (b) Friday (c) Monday (d) Saturday
11. 11.If 17 September is a Friday, what day of the week is 11 October? (a) Tuesday (b) Monday (c) Wednesday (d) Sunday
12. 12.If 21 January is a Sunday, what day of the week is 4 February? (a) Tuesday (b) Monday (c) Sunday (d) Saturday
13. 13.If 30 August is a Sunday, what day of the week is 11 September? (a) Saturday (b) Friday (c) Thursday (d) Sunday
14. 14.If 14 May is a Wednesday, what day of the week is 26 May? (a) Tuesday (b) Monday (c) Wednesday (d) Sunday
15. 15.If 14 September is a Friday, what day of the week is 18 October? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
16. 16.If 5 August is a Monday, what day of the week is 18 August? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
17. 17.If 25 August is a Tuesday, what day of the week is 3 September? (a) Saturday (b) Wednesday (c) Friday (d) Thursday
18. 18.If 4 October is a Sunday, what day of the week is 19 October? (a) Wednesday (b) Monday (c) Tuesday (d) Sunday
19. 19.If 6 December is a Tuesday, what day of the week is 21 December? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
20. 20.If 7 July is a Tuesday, what day of the week is 15 July? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
21. 21.If 13 November is a Monday, what day of the week is 3 December? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
22. 22.If 12 August is a Monday, what day of the week is 25 August? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
23. 23.Today is Monday. What day of the week will it be after 87 days? (a) Saturday (b) Wednesday (c) Friday (d) Thursday
24. 24.If 12 October is a Friday, what day of the week is 22 October? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
25. 25.If 18 July is a Friday, what day of the week is 2 August? (a) Sunday (b) Monday (c) Saturday (d) Friday
26. 26.If 2 May is a Friday, what day of the week is 14 May? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
27. 27.If 6 July is a Tuesday, what day of the week is 20 July? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday
28. 28.If 28 August is a Wednesday, what day of the week is 14 September? (a) Saturday (b) Friday (c) Sunday (d) Monday
29. 29.If 16 September is a Sunday, what day of the week is 19 October? (a) Thursday (b) Saturday (c) Friday (d) Sunday
30. 30.If 16 March is a Monday, what day of the week is 10 April? (a) Saturday (b) Sunday (c) Friday (d) Thursday
31. 31.Today is Sunday. What day of the week will it be after 16 days? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
32. 32.If 11 December is a Thursday, what day of the week is 21 December? (a) Sunday (b) Tuesday (c) Monday (d) Saturday
33. 33.If 12 October is a Tuesday, what day of the week is 23 October? (a) Friday (b) Sunday (c) Monday (d) Saturday
34. 34.If 19 September is a Sunday, what day of the week is 7 October? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
35. 35.If 10 January is a Friday, what day of the week is 9 February? (a) Tuesday (b) Monday (c) Sunday (d) Saturday
36. 36.If 12 October is a Thursday, what day of the week is 10 November? (a) Thursday (b) Sunday (c) Friday (d) Saturday
37. 37.If 13 October is a Friday, what day of the week is 2 November? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
38. 38.If 4 January is a Thursday, what day of the week is 17 January? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
39. 39.If 18 January is a Monday, what day of the week is 6 February? (a) Saturday (b) Monday (c) Sunday (d) Friday
40. 40.Today is Wednesday. What day of the week will it be after 32 days? (a) Sunday (b) Monday (c) Saturday (d) Tuesday

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