Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 861 · 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 21 June is a Friday, what day of the week is 8 July? (a) Monday (b) Wednesday (c) Tuesday (d) Sunday
2. 2.Today is Monday. What day of the week will it be after 27 days? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
3. 3.If 3 July is a Wednesday, what day of the week is 17 July? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
4. 4.Today is Sunday. What day of the week will it be after 36 days? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
5. 5.Today is Friday. What day of the week will it be after 27 days? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
6. 6.If 8 July is a Sunday, what day of the week is 23 July? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
7. 7.If 11 January is a Sunday, what day of the week is 20 January? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
8. 8.If 15 April is a Friday, what day of the week is 17 May? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
9. 9.If 26 May is a Monday, what day of the week is 10 June? (a) Tuesday (b) Monday (c) Wednesday (d) Thursday
10. 10.If 10 August is a Tuesday, what day of the week is 21 August? (a) Monday (b) Friday (c) Sunday (d) Saturday
11. 11.If 2 October is a Thursday, what day of the week is 13 October? (a) Wednesday (b) Tuesday (c) Sunday (d) Monday
12. 12.If 15 December is a Wednesday, what day of the week is 31 December? (a) Thursday (b) Saturday (c) Friday (d) Sunday
13. 13.If 11 January is a Friday, what day of the week is 26 January? (a) Monday (b) Saturday (c) Friday (d) Sunday
14. 14.If 22 August is a Thursday, what day of the week is 14 September? (a) Monday (b) Friday (c) Saturday (d) Sunday
15. 15.Today is Saturday. What day of the week will it be after 95 days? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
16. 16.Today is Monday. What day of the week will it be after 50 days? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
17. 17.Today is Monday. What day of the week will it be after 56 days? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
18. 18.If 9 October is a Saturday, what day of the week is 20 October? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
19. 19.If 14 March is a Tuesday, what day of the week is 7 April? (a) Thursday (b) Friday (c) Saturday (d) Sunday
20. 20.Today is Saturday. What day of the week will it be after 60 days? (a) Wednesday (b) Tuesday (c) Thursday (d) Friday
21. 21.If 15 May is a Thursday, what day of the week is 24 May? (a) Saturday (b) Monday (c) Friday (d) Sunday
22. 22.If 23 July is a Tuesday, what day of the week is 15 August? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
23. 23.Today is Thursday. What day of the week will it be after 17 days? (a) Sunday (b) Saturday (c) Monday (d) Tuesday
24. 24.If 4 March is a Saturday, what day of the week is 19 March? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
25. 25.Today is Friday. What day of the week will it be after 42 days? (a) Friday (b) Saturday (c) Thursday (d) Sunday
26. 26.If 2 March is a Sunday, what day of the week is 13 March? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
27. 27.If 6 August is a Monday, what day of the week is 14 August? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
28. 28.If 1 December is a Sunday, what day of the week is 14 December? (a) Monday (b) Sunday (c) Friday (d) Saturday
29. 29.If 11 July is a Wednesday, what day of the week is 27 July? (a) Thursday (b) Sunday (c) Friday (d) Saturday
30. 30.If 6 December is a Monday, what day of the week is 16 December? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
31. 31.If 15 January is a Thursday, what day of the week is 23 January? (a) Thursday (b) Friday (c) Saturday (d) Sunday
32. 32.If 23 May is a Saturday, what day of the week is 13 June? (a) Sunday (b) Monday (c) Saturday (d) Friday
33. 33.If 4 January is a Saturday, what day of the week is 13 January? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
34. 34.If 11 November is a Sunday, what day of the week is 15 December? (a) Monday (b) Sunday (c) Saturday (d) Friday
35. 35.If 15 October is a Wednesday, what day of the week is 31 October? (a) Sunday (b) Saturday (c) Thursday (d) Friday
36. 36.If 13 July is a Monday, what day of the week is 21 July? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
37. 37.If 13 July is a Sunday, what day of the week is 5 August? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
38. 38.If 19 January is a Saturday, what day of the week is 8 February? (a) Sunday (b) Thursday (c) Friday (d) Saturday
39. 39.If 6 July is a Tuesday, what day of the week is 21 July? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
40. 40.If 6 March is a Tuesday, what day of the week is 14 March? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday

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