Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 168 · 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.Today is Sunday. What day of the week will it be after 52 days? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
2. 2.If 13 March is a Friday, what day of the week is 27 March? (a) Thursday (b) Sunday (c) Friday (d) Saturday
3. 3.If 15 October is a Friday, what day of the week is 24 October? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
4. 4.If 18 October is a Friday, what day of the week is 12 November? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
5. 5.If 8 May is a Monday, what day of the week is 18 May? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
6. 6.Today is Thursday. What day of the week will it be after 60 days? (a) Monday (b) Sunday (c) Wednesday (d) Tuesday
7. 7.Today is Friday. What day of the week will it be after 26 days? (a) Wednesday (b) Tuesday (c) Friday (d) Thursday
8. 8.If 17 April is a Sunday, what day of the week is 14 May? (a) Sunday (b) Friday (c) Monday (d) Saturday
9. 9.Today is Saturday. What day of the week will it be after 59 days? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
10. 10.If 11 March is a Friday, what day of the week is 8 April? (a) Sunday (b) Thursday (c) Friday (d) Saturday
11. 11.If 19 March is a Sunday, what day of the week is 5 April? (a) Wednesday (b) Friday (c) Thursday (d) Tuesday
12. 12.Today is Thursday. What day of the week will it be after 89 days? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
13. 13.If 11 October is a Friday, what day of the week is 1 November? (a) Saturday (b) Thursday (c) Sunday (d) Friday
14. 14.Today is Monday. What day of the week will it be after 22 days? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday
15. 15.If 7 January is a Monday, what day of the week is 16 January? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
16. 16.Today is Tuesday. What day of the week will it be after 100 days? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
17. 17.If 1 January is a Sunday, what day of the week is 12 January? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
18. 18.Today is Tuesday. What day of the week will it be after 24 days? (a) Saturday (b) Sunday (c) Thursday (d) Friday
19. 19.Today is Saturday. What day of the week will it be after 55 days? (a) Saturday (b) Thursday (c) Friday (d) Sunday
20. 20.If 31 March is a Thursday, what day of the week is 11 April? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
21. 21.Today is Friday. What day of the week will it be after 51 days? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
22. 22.If 7 October is a Monday, what day of the week is 16 October? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
23. 23.If 15 January is a Sunday, what day of the week is 2 February? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
24. 24.Today is Wednesday. What day of the week will it be after 15 days? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
25. 25.If 20 August is a Saturday, what day of the week is 8 September? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
26. 26.If 28 November is a Wednesday, what day of the week is 4 December? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
27. 27.If 10 May is a Saturday, what day of the week is 19 May? (a) Tuesday (b) Monday (c) Wednesday (d) Sunday
28. 28.If 3 January is a Monday, what day of the week is 14 January? (a) Sunday (b) Thursday (c) Friday (d) Saturday
29. 29.If 15 March is a Thursday, what day of the week is 25 March? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
30. 30.If 4 January is a Tuesday, what day of the week is 12 January? (a) Tuesday (b) Thursday (c) Wednesday (d) Friday
31. 31.If 7 March is a Sunday, what day of the week is 19 March? (a) Thursday (b) Sunday (c) Friday (d) Saturday
32. 32.If 11 January is a Wednesday, what day of the week is 10 February? (a) Friday (b) Thursday (c) Saturday (d) Sunday
33. 33.If 10 July is a Friday, what day of the week is 25 July? (a) Monday (b) Friday (c) Saturday (d) Sunday
34. 34.If 1 March is a Sunday, what day of the week is 15 March? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
35. 35.If 15 July is a Wednesday, what day of the week is 29 July? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
36. 36.If 14 December is a Friday, what day of the week is 22 December? (a) Friday (b) Saturday (c) Monday (d) Sunday
37. 37.If 13 May is a Sunday, what day of the week is 24 May? (a) Thursday (b) Wednesday (c) Friday (d) Saturday
38. 38.If 11 April is a Saturday, what day of the week is 12 May? (a) Tuesday (b) Monday (c) Wednesday (d) Thursday
39. 39.If 9 October is a Sunday, what day of the week is 19 October? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
40. 40.If 24 April is a Thursday, what day of the week is 17 May? (a) Monday (b) Saturday (c) Sunday (d) Friday

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