Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 32 · 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 28 April is a Saturday, what day of the week is 9 May? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
2. 2.If 3 December is a Monday, what day of the week is 13 December? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
3. 3.Today is Thursday. What day of the week will it be after 100 days? (a) Saturday (b) Friday (c) Monday (d) Sunday
4. 4.If 14 May is a Tuesday, what day of the week is 28 May? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
5. 5.If 23 June is a Wednesday, what day of the week is 4 July? (a) Monday (b) Sunday (c) Tuesday (d) Saturday
6. 6.Today is Wednesday. What day of the week will it be after 61 days? (a) Wednesday (b) Tuesday (c) Sunday (d) Monday
7. 7.If 14 December is a Friday, what day of the week is 30 December? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
8. 8.Today is Wednesday. What day of the week will it be after 31 days? (a) Sunday (b) Friday (c) Saturday (d) Monday
9. 9.Today is Thursday. What day of the week will it be after 25 days? (a) Monday (b) Sunday (c) Wednesday (d) Tuesday
10. 10.Today is Sunday. What day of the week will it be after 34 days? (a) Sunday (b) Saturday (c) Friday (d) Monday
11. 11.If 10 January is a Thursday, what day of the week is 3 February? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
12. 12.If 7 October is a Friday, what day of the week is 23 October? (a) Tuesday (b) Sunday (c) Saturday (d) Monday
13. 13.Today is Friday. What day of the week will it be after 84 days? (a) Friday (b) Saturday (c) Thursday (d) Sunday
14. 14.Today is Monday. What day of the week will it be after 27 days? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
15. 15.If 3 December is a Monday, what day of the week is 16 December? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
16. 16.If 12 July is a Sunday, what day of the week is 25 July? (a) Saturday (b) Sunday (c) Friday (d) Monday
17. 17.If 15 August is a Tuesday, what day of the week is 30 August? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
18. 18.If 6 January is a Monday, what day of the week is 15 January? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
19. 19.If 11 March is a Saturday, what day of the week is 24 March? (a) Saturday (b) Sunday (c) Friday (d) Thursday
20. 20.If 15 December is a Thursday, what day of the week is 27 December? (a) Tuesday (b) Wednesday (c) Thursday (d) Monday
21. 21.If 11 May is a Wednesday, what day of the week is 25 May? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
22. 22.If 14 March is a Tuesday, what day of the week is 26 March? (a) Saturday (b) Sunday (c) Monday (d) Tuesday
23. 23.If 25 January is a Wednesday, what day of the week is 10 February? (a) Saturday (b) Thursday (c) Friday (d) Sunday
24. 24.If 6 January is a Saturday, what day of the week is 17 January? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
25. 25.If 3 March is a Tuesday, what day of the week is 18 March? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
26. 26.Today is Sunday. What day of the week will it be after 88 days? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
27. 27.If 29 October is a Thursday, what day of the week is 2 November? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
28. 28.If 15 January is a Friday, what day of the week is 28 January? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
29. 29.If 26 June is a Monday, what day of the week is 18 July? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
30. 30.If 8 March is a Sunday, what day of the week is 18 March? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
31. 31.If 4 July is a Thursday, what day of the week is 13 July? (a) Friday (b) Sunday (c) Monday (d) Saturday
32. 32.If 11 March is a Tuesday, what day of the week is 20 March? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
33. 33.If 5 May is a Thursday, what day of the week is 13 May? (a) Thursday (b) Friday (c) Saturday (d) Sunday
34. 34.Today is Saturday. What day of the week will it be after 59 days? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
35. 35.If 20 April is a Saturday, what day of the week is 7 May? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
36. 36.If 11 July is a Wednesday, what day of the week is 25 July? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
37. 37.If 27 November is a Monday, what day of the week is 17 December? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
38. 38.If 20 April is a Thursday, what day of the week is 19 May? (a) Saturday (b) Friday (c) Sunday (d) Thursday
39. 39.If 1 May is a Tuesday, what day of the week is 14 May? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
40. 40.If 11 January is a Sunday, what day of the week is 22 January? (a) Friday (b) Wednesday (c) Saturday (d) Thursday

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