Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 327 · 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.If 8 July is a Thursday, what day of the week is 21 July? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
2. 2.Today is Monday. What day of the week will it be after 11 days? (a) Saturday (b) Friday (c) Sunday (d) Thursday
3. 3.If 12 November is a Sunday, what day of the week is 11 December? (a) Wednesday (b) Tuesday (c) Sunday (d) Monday
4. 4.If 10 October is a Thursday, what day of the week is 18 October? (a) Saturday (b) Thursday (c) Sunday (d) Friday
5. 5.Today is Saturday. What day of the week will it be after 15 days? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
6. 6.Today is Saturday. What day of the week will it be after 71 days? (a) Sunday (b) Saturday (c) Monday (d) Tuesday
7. 7.If 12 July is a Thursday, what day of the week is 6 August? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
8. 8.If 20 March is a Tuesday, what day of the week is 15 April? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
9. 9.If 4 May is a Thursday, what day of the week is 15 May? (a) Wednesday (b) Tuesday (c) Sunday (d) Monday
10. 10.If 9 May is a Monday, what day of the week is 25 May? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
11. 11.If 9 July is a Wednesday, what day of the week is 21 July? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
12. 12.If 27 September is a Friday, what day of the week is 7 October? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
13. 13.If 27 July is a Saturday, what day of the week is 11 August? (a) Saturday (b) Sunday (c) Monday (d) Tuesday
14. 14.Today is Sunday. What day of the week will it be after 67 days? (a) Saturday (b) Wednesday (c) Friday (d) Thursday
15. 15.If 8 May is a Tuesday, what day of the week is 23 May? (a) Tuesday (b) Thursday (c) Wednesday (d) Friday
16. 16.Today is Monday. What day of the week will it be after 66 days? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
17. 17.If 11 January is a Monday, what day of the week is 20 January? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
18. 18.Today is Monday. What day of the week will it be after 75 days? (a) Sunday (b) Saturday (c) Monday (d) Friday
19. 19.If 22 June is a Thursday, what day of the week is 15 July? (a) Sunday (b) Saturday (c) Monday (d) Friday
20. 20.Today is Saturday. What day of the week will it be after 89 days? (a) Thursday (b) Friday (c) Saturday (d) Wednesday
21. 21.If 15 October is a Sunday, what day of the week is 23 October? (a) Monday (b) Wednesday (c) Sunday (d) Tuesday
22. 22.Today is Tuesday. What day of the week will it be after 72 days? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
23. 23.If 25 November is a Saturday, what day of the week is 3 December? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
24. 24.Today is Saturday. What day of the week will it be after 22 days? (a) Tuesday (b) Monday (c) Sunday (d) Saturday
25. 25.If 29 March is a Monday, what day of the week is 13 April? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
26. 26.If 29 November is a Monday, what day of the week is 12 December? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
27. 27.If 5 July is a Thursday, what day of the week is 17 July? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
28. 28.If 31 January is a Sunday, what day of the week is 5 February? (a) Sunday (b) Saturday (c) Thursday (d) Friday
29. 29.If 23 September is a Monday, what day of the week is 19 October? (a) Friday (b) Monday (c) Saturday (d) Sunday
30. 30.Today is Monday. What day of the week will it be after 32 days? (a) Saturday (b) Sunday (c) Friday (d) Thursday
31. 31.If 4 January is a Sunday, what day of the week is 17 January? (a) Friday (b) Monday (c) Sunday (d) Saturday
32. 32.If 15 March is a Friday, what day of the week is 30 March? (a) Friday (b) Sunday (c) Monday (d) Saturday
33. 33.If 1 January is a Monday, what day of the week is 14 January? (a) Sunday (b) Saturday (c) Monday (d) Tuesday
34. 34.Today is Tuesday. What day of the week will it be after 62 days? (a) Wednesday (b) Tuesday (c) Sunday (d) Monday
35. 35.If 7 October is a Thursday, what day of the week is 17 October? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
36. 36.If 31 October is a Saturday, what day of the week is 5 November? (a) Wednesday (b) Thursday (c) Friday (d) Saturday
37. 37.Today is Monday. What day of the week will it be after 21 days? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
38. 38.Today is Friday. What day of the week will it be after 85 days? (a) Monday (b) Friday (c) Saturday (d) Sunday
39. 39.If 8 October is a Sunday, what day of the week is 17 October? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
40. 40.Today is Tuesday. What day of the week will it be after 40 days? (a) Tuesday (b) Monday (c) Sunday (d) Saturday

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