Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 161 · 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 12 March is a Friday, what day of the week is 23 March? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
2. 2.If 10 August is a Saturday, what day of the week is 22 August? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
3. 3.Today is Sunday. What day of the week will it be after 11 days? (a) Wednesday (b) Thursday (c) Saturday (d) Friday
4. 4.Today is Friday. What day of the week will it be after 61 days? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
5. 5.Today is Saturday. What day of the week will it be after 26 days? (a) Wednesday (b) Thursday (c) Friday (d) Saturday
6. 6.If 9 August is a Saturday, what day of the week is 22 August? (a) Friday (b) Saturday (c) Sunday (d) Thursday
7. 7.If 7 December is a Saturday, what day of the week is 15 December? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
8. 8.If 5 January is a Tuesday, what day of the week is 21 January? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
9. 9.If 15 May is a Monday, what day of the week is 27 May? (a) Monday (b) Saturday (c) Friday (d) Sunday
10. 10.Today is Sunday. What day of the week will it be after 60 days? (a) Thursday (b) Saturday (c) Wednesday (d) Friday
11. 11.Today is Thursday. What day of the week will it be after 45 days? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
12. 12.If 24 October is a Friday, what day of the week is 6 November? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
13. 13.If 14 July is a Wednesday, what day of the week is 30 July? (a) Sunday (b) Saturday (c) Friday (d) Thursday
14. 14.Today is Friday. What day of the week will it be after 28 days? (a) Thursday (b) Saturday (c) Sunday (d) Friday
15. 15.If 13 November is a Monday, what day of the week is 5 December? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
16. 16.If 4 July is a Monday, what day of the week is 18 July? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
17. 17.If 5 July is a Friday, what day of the week is 17 July? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
18. 18.Today is Thursday. What day of the week will it be after 75 days? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
19. 19.If 7 July is a Tuesday, what day of the week is 21 July? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
20. 20.If 5 August is a Sunday, what day of the week is 18 August? (a) Saturday (b) Sunday (c) Monday (d) Friday
21. 21.If 7 March is a Saturday, what day of the week is 21 March? (a) Monday (b) Friday (c) Saturday (d) Sunday
22. 22.If 13 October is a Wednesday, what day of the week is 17 November? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
23. 23.If 15 May is a Wednesday, what day of the week is 28 May? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
24. 24.Today is Sunday. What day of the week will it be after 37 days? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
25. 25.If 5 October is a Tuesday, what day of the week is 14 October? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
26. 26.If 11 December is a Wednesday, what day of the week is 26 December? (a) Wednesday (b) Thursday (c) Saturday (d) Friday
27. 27.Today is Wednesday. What day of the week will it be after 23 days? (a) Thursday (b) Sunday (c) Friday (d) Saturday
28. 28.If 7 May is a Tuesday, what day of the week is 18 May? (a) Saturday (b) Sunday (c) Friday (d) Monday
29. 29.If 10 December is a Monday, what day of the week is 20 December? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
30. 30.If 30 November is a Wednesday, what day of the week is 19 December? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
31. 31.If 21 May is a Thursday, what day of the week is 13 June? (a) Saturday (b) Friday (c) Sunday (d) Monday
32. 32.If 29 September is a Thursday, what day of the week is 9 October? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
33. 33.If 20 November is a Sunday, what day of the week is 7 December? (a) Wednesday (b) Friday (c) Thursday (d) Tuesday
34. 34.If 29 October is a Tuesday, what day of the week is 6 November? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
35. 35.If 8 October is a Thursday, what day of the week is 19 October? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
36. 36.If 14 May is a Thursday, what day of the week is 29 May? (a) Thursday (b) Saturday (c) Friday (d) Sunday
37. 37.If 3 March is a Thursday, what day of the week is 14 March? (a) Monday (b) Sunday (c) Wednesday (d) Tuesday
38. 38.Today is Friday. What day of the week will it be after 79 days? (a) Tuesday (b) Sunday (c) Saturday (d) Monday
39. 39.If 6 May is a Friday, what day of the week is 19 May? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
40. 40.If 5 January is a Tuesday, what day of the week is 15 January? (a) Sunday (b) Saturday (c) Friday (d) Thursday

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