Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 672 · 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 9 October is a Tuesday, what day of the week is 21 October? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
2. 2.Today is Sunday. What day of the week will it be after 33 days? (a) Thursday (b) Friday (c) Sunday (d) Saturday
3. 3.If 21 November is a Saturday, what day of the week is 13 December? (a) Sunday (b) Monday (c) Tuesday (d) Saturday
4. 4.If 29 January is a Friday, what day of the week is 10 February? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
5. 5.If 4 August is a Friday, what day of the week is 12 August? (a) Monday (b) Sunday (c) Friday (d) Saturday
6. 6.If 21 July is a Wednesday, what day of the week is 10 August? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday
7. 7.If 26 October is a Thursday, what day of the week is 15 November? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
8. 8.If 10 March is a Thursday, what day of the week is 23 March? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
9. 9.If 23 March is a Tuesday, what day of the week is 15 April? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
10. 10.Today is Friday. What day of the week will it be after 16 days? (a) Sunday (b) Saturday (c) Monday (d) Tuesday
11. 11.Today is Friday. What day of the week will it be after 27 days? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
12. 12.If 14 March is a Monday, what day of the week is 29 March? (a) Tuesday (b) Wednesday (c) Thursday (d) Monday
13. 13.If 10 May is a Sunday, what day of the week is 22 May? (a) Saturday (b) Friday (c) Thursday (d) Sunday
14. 14.If 3 December is a Monday, what day of the week is 19 December? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
15. 15.If 13 December is a Friday, what day of the week is 28 December? (a) Saturday (b) Sunday (c) Monday (d) Friday
16. 16.If 14 May is a Thursday, what day of the week is 30 May? (a) Friday (b) Sunday (c) Saturday (d) Monday
17. 17.Today is Wednesday. What day of the week will it be after 28 days? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
18. 18.If 9 March is a Saturday, what day of the week is 22 March? (a) Sunday (b) Saturday (c) Friday (d) Thursday
19. 19.If 23 October is a Tuesday, what day of the week is 7 November? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
20. 20.Today is Friday. What day of the week will it be after 79 days? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
21. 21.If 31 May is a Monday, what day of the week is 4 June? (a) Sunday (b) Friday (c) Saturday (d) Thursday
22. 22.If 25 August is a Friday, what day of the week is 17 September? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
23. 23.If 22 March is a Tuesday, what day of the week is 18 April? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
24. 24.If 8 May is a Friday, what day of the week is 22 May? (a) Saturday (b) Thursday (c) Sunday (d) Friday
25. 25.If 27 October is a Saturday, what day of the week is 14 November? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
26. 26.If 18 October is a Monday, what day of the week is 20 November? (a) Sunday (b) Saturday (c) Friday (d) Monday
27. 27.If 16 May is a Sunday, what day of the week is 18 June? (a) Thursday (b) Saturday (c) Sunday (d) Friday
28. 28.If 17 August is a Monday, what day of the week is 19 September? (a) Sunday (b) Saturday (c) Monday (d) Friday
29. 29.Today is Sunday. What day of the week will it be after 94 days? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
30. 30.If 9 January is a Saturday, what day of the week is 18 January? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
31. 31.If 23 September is a Sunday, what day of the week is 4 October? (a) Thursday (b) Wednesday (c) Saturday (d) Friday
32. 32.Today is Thursday. What day of the week will it be after 36 days? (a) Thursday (b) Friday (c) Sunday (d) Saturday
33. 33.If 16 June is a Monday, what day of the week is 12 July? (a) Friday (b) Monday (c) Sunday (d) Saturday
34. 34.If 10 May is a Sunday, what day of the week is 24 May? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
35. 35.Today is Saturday. What day of the week will it be after 33 days? (a) Thursday (b) Friday (c) Saturday (d) Wednesday
36. 36.If 26 November is a Saturday, what day of the week is 12 December? (a) Tuesday (b) Monday (c) Wednesday (d) Sunday
37. 37.If 15 August is a Wednesday, what day of the week is 2 September? (a) Tuesday (b) Monday (c) Sunday (d) Saturday
38. 38.If 20 June is a Tuesday, what day of the week is 1 July? (a) Monday (b) Saturday (c) Friday (d) Sunday
39. 39.Today is Tuesday. What day of the week will it be after 17 days? (a) Thursday (b) Saturday (c) Sunday (d) Friday
40. 40.If 10 January is a Monday, what day of the week is 20 January? (a) Thursday (b) Saturday (c) Friday (d) Wednesday

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