Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 619 · 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 92 days? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
2. 2.If 30 September is a Wednesday, what day of the week is 7 October? (a) Wednesday (b) Friday (c) Thursday (d) Tuesday
3. 3.If 11 October is a Thursday, what day of the week is 21 October? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
4. 4.If 10 December is a Friday, what day of the week is 22 December? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
5. 5.Today is Saturday. What day of the week will it be after 72 days? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
6. 6.Today is Wednesday. What day of the week will it be after 60 days? (a) Sunday (b) Tuesday (c) Saturday (d) Monday
7. 7.If 5 January is a Friday, what day of the week is 20 January? (a) Friday (b) Monday (c) Saturday (d) Sunday
8. 8.If 7 August is a Sunday, what day of the week is 21 August? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
9. 9.If 12 August is a Friday, what day of the week is 20 August? (a) Saturday (b) Sunday (c) Monday (d) Friday
10. 10.If 5 October is a Sunday, what day of the week is 21 October? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
11. 11.If 15 September is a Friday, what day of the week is 5 October? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
12. 12.If 9 January is a Monday, what day of the week is 20 January? (a) Thursday (b) Sunday (c) Friday (d) Saturday
13. 13.If 5 May is a Sunday, what day of the week is 16 May? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
14. 14.If 2 May is a Friday, what day of the week is 11 May? (a) Sunday (b) Saturday (c) Tuesday (d) Monday
15. 15.If 21 April is a Thursday, what day of the week is 16 May? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
16. 16.Today is Tuesday. What day of the week will it be after 81 days? (a) Sunday (b) Monday (c) Saturday (d) Friday
17. 17.If 10 November is a Thursday, what day of the week is 13 December? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
18. 18.If 2 August is a Thursday, what day of the week is 14 August? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
19. 19.If 11 May is a Saturday, what day of the week is 27 May? (a) Monday (b) Tuesday (c) Sunday (d) Wednesday
20. 20.If 8 January is a Tuesday, what day of the week is 21 January? (a) Wednesday (b) Tuesday (c) Monday (d) Sunday
21. 21.Today is Sunday. What day of the week will it be after 89 days? (a) Saturday (b) Thursday (c) Friday (d) Sunday
22. 22.If 28 January is a Friday, what day of the week is 19 February? (a) Sunday (b) Saturday (c) Friday (d) Monday
23. 23.If 30 January is a Sunday, what day of the week is 8 February? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
24. 24.Today is Wednesday. What day of the week will it be after 43 days? (a) Thursday (b) Wednesday (c) Saturday (d) Friday
25. 25.If 12 March is a Tuesday, what day of the week is 26 March? (a) Wednesday (b) Tuesday (c) Thursday (d) Monday
26. 26.Today is Monday. What day of the week will it be after 40 days? (a) Saturday (b) Monday (c) Sunday (d) Friday
27. 27.If 11 October is a Tuesday, what day of the week is 21 October? (a) Sunday (b) Saturday (c) Thursday (d) Friday
28. 28.Today is Friday. What day of the week will it be after 34 days? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
29. 29.If 10 May is a Wednesday, what day of the week is 20 May? (a) Friday (b) Monday (c) Sunday (d) Saturday
30. 30.If 13 March is a Tuesday, what day of the week is 22 March? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
31. 31.Today is Monday. What day of the week will it be after 74 days? (a) Friday (b) Saturday (c) Thursday (d) Sunday
32. 32.If 10 March is a Thursday, what day of the week is 1 April? (a) Friday (b) Saturday (c) Thursday (d) Sunday
33. 33.If 25 September is a Tuesday, what day of the week is 5 October? (a) Sunday (b) Friday (c) Thursday (d) Saturday
34. 34.If 13 March is a Saturday, what day of the week is 26 March? (a) Friday (b) Thursday (c) Sunday (d) Saturday
35. 35.If 28 July is a Monday, what day of the week is 1 August? (a) Saturday (b) Sunday (c) Friday (d) Thursday
36. 36.If 15 January is a Saturday, what day of the week is 25 January? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
37. 37.If 11 January is a Monday, what day of the week is 8 February? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
38. 38.Today is Tuesday. What day of the week will it be after 67 days? (a) Sunday (b) Monday (c) Friday (d) Saturday
39. 39.If 12 March is a Saturday, what day of the week is 20 March? (a) Sunday (b) Saturday (c) Tuesday (d) Monday
40. 40.If 27 September is a Friday, what day of the week is 3 October? (a) Saturday (b) Wednesday (c) Friday (d) Thursday

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