Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 198 · 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 11 July is a Monday, what day of the week is 25 July? (a) Wednesday (b) Tuesday (c) Sunday (d) Monday
2. 2.If 15 May is a Thursday, what day of the week is 31 May? (a) Friday (b) Sunday (c) Monday (d) Saturday
3. 3.If 23 November is a Sunday, what day of the week is 20 December? (a) Friday (b) Sunday (c) Saturday (d) Monday
4. 4.Today is Thursday. What day of the week will it be after 20 days? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
5. 5.Today is Monday. What day of the week will it be after 87 days? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
6. 6.Today is Saturday. What day of the week will it be after 87 days? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
7. 7.If 4 October is a Tuesday, what day of the week is 15 October? (a) Monday (b) Saturday (c) Sunday (d) Friday
8. 8.If 13 January is a Tuesday, what day of the week is 18 February? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
9. 9.If 14 July is a Saturday, what day of the week is 19 August? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
10. 10.If 12 November is a Sunday, what day of the week is 19 December? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
11. 11.Today is Monday. What day of the week will it be after 69 days? (a) Sunday (b) Tuesday (c) Monday (d) Saturday
12. 12.Today is Friday. What day of the week will it be after 82 days? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
13. 13.If 19 November is a Sunday, what day of the week is 6 December? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
14. 14.If 13 July is a Sunday, what day of the week is 5 August? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
15. 15.Today is Wednesday. What day of the week will it be after 28 days? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
16. 16.If 15 December is a Saturday, what day of the week is 27 December? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
17. 17.If 21 November is a Monday, what day of the week is 1 December? (a) Thursday (b) Saturday (c) Friday (d) Wednesday
18. 18.If 10 December is a Saturday, what day of the week is 26 December? (a) Wednesday (b) Tuesday (c) Monday (d) Sunday
19. 19.If 13 January is a Monday, what day of the week is 23 January? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
20. 20.If 10 January is a Sunday, what day of the week is 22 January? (a) Saturday (b) Sunday (c) Friday (d) Thursday
21. 21.If 11 March is a Monday, what day of the week is 20 March? (a) Wednesday (b) Tuesday (c) Friday (d) Thursday
22. 22.If 16 January is a Saturday, what day of the week is 16 February? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
23. 23.If 4 May is a Friday, what day of the week is 13 May? (a) Tuesday (b) Sunday (c) Saturday (d) Monday
24. 24.If 10 May is a Wednesday, what day of the week is 13 June? (a) Tuesday (b) Wednesday (c) Thursday (d) Monday
25. 25.If 10 December is a Wednesday, what day of the week is 20 December? (a) Friday (b) Sunday (c) Monday (d) Saturday
26. 26.If 15 September is a Wednesday, what day of the week is 10 October? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
27. 27.If 22 October is a Tuesday, what day of the week is 20 November? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
28. 28.Today is Wednesday. What day of the week will it be after 50 days? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
29. 29.Today is Wednesday. What day of the week will it be after 13 days? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
30. 30.Today is Thursday. What day of the week will it be after 21 days? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
31. 31.If 14 January is a Monday, what day of the week is 23 January? (a) Wednesday (b) Tuesday (c) Friday (d) Thursday
32. 32.If 8 May is a Monday, what day of the week is 21 May? (a) Sunday (b) Tuesday (c) Monday (d) Saturday
33. 33.Today is Sunday. What day of the week will it be after 41 days? (a) Friday (b) Saturday (c) Monday (d) Sunday
34. 34.If 1 March is a Thursday, what day of the week is 14 March? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
35. 35.If 10 October is a Friday, what day of the week is 24 October? (a) Sunday (b) Friday (c) Thursday (d) Saturday
36. 36.If 19 October is a Sunday, what day of the week is 13 November? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
37. 37.If 14 October is a Tuesday, what day of the week is 1 November? (a) Saturday (b) Friday (c) Sunday (d) Monday
38. 38.If 2 January is a Friday, what day of the week is 14 January? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
39. 39.Today is Sunday. What day of the week will it be after 20 days? (a) Monday (b) Friday (c) Saturday (d) Sunday
40. 40.If 13 December is a Tuesday, what day of the week is 24 December? (a) Sunday (b) Saturday (c) Friday (d) Monday

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