Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 801 · 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 Wednesday. What day of the week will it be after 99 days? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
2. 2.If 22 July is a Sunday, what day of the week is 13 August? (a) Tuesday (b) Monday (c) Wednesday (d) Sunday
3. 3.Today is Wednesday. What day of the week will it be after 63 days? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
4. 4.If 10 March is a Saturday, what day of the week is 24 March? (a) Friday (b) Monday (c) Saturday (d) Sunday
5. 5.If 12 October is a Wednesday, what day of the week is 22 October? (a) Saturday (b) Monday (c) Friday (d) Sunday
6. 6.Today is Monday. What day of the week will it be after 85 days? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
7. 7.Today is Monday. What day of the week will it be after 74 days? (a) Thursday (b) Sunday (c) Saturday (d) Friday
8. 8.If 22 March is a Friday, what day of the week is 7 April? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
9. 9.Today is Tuesday. What day of the week will it be after 99 days? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
10. 10.If 6 January is a Sunday, what day of the week is 21 January? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
11. 11.If 9 July is a Friday, what day of the week is 18 July? (a) Monday (b) Sunday (c) Saturday (d) Tuesday
12. 12.If 10 November is a Monday, what day of the week is 16 December? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
13. 13.Today is Saturday. What day of the week will it be after 53 days? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
14. 14.If 25 September is a Thursday, what day of the week is 19 October? (a) Sunday (b) Tuesday (c) Monday (d) Saturday
15. 15.If 11 April is a Thursday, what day of the week is 4 May? (a) Friday (b) Sunday (c) Saturday (d) Monday
16. 16.If 1 October is a Thursday, what day of the week is 16 October? (a) Thursday (b) Saturday (c) Friday (d) Sunday
17. 17.If 7 March is a Thursday, what day of the week is 15 March? (a) Thursday (b) Friday (c) Sunday (d) Saturday
18. 18.If 12 October is a Monday, what day of the week is 25 October? (a) Saturday (b) Sunday (c) Monday (d) Tuesday
19. 19.If 4 August is a Monday, what day of the week is 12 August? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
20. 20.If 20 April is a Monday, what day of the week is 8 May? (a) Sunday (b) Saturday (c) Thursday (d) Friday
21. 21.If 13 October is a Sunday, what day of the week is 24 October? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
22. 22.If 13 June is a Thursday, what day of the week is 16 July? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
23. 23.Today is Friday. What day of the week will it be after 71 days? (a) Monday (b) Saturday (c) Sunday (d) Friday
24. 24.If 14 March is a Wednesday, what day of the week is 29 March? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
25. 25.If 2 March is a Friday, what day of the week is 11 March? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
26. 26.If 13 July is a Monday, what day of the week is 23 July? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
27. 27.Today is Saturday. What day of the week will it be after 52 days? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
28. 28.If 4 October is a Wednesday, what day of the week is 15 October? (a) Sunday (b) Saturday (c) Tuesday (d) Monday
29. 29.If 3 January is a Saturday, what day of the week is 13 January? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
30. 30.Today is Monday. What day of the week will it be after 97 days? (a) Sunday (b) Tuesday (c) Saturday (d) Monday
31. 31.Today is Monday. What day of the week will it be after 66 days? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
32. 32.Today is Friday. What day of the week will it be after 56 days? (a) Sunday (b) Saturday (c) Friday (d) Thursday
33. 33.If 15 May is a Monday, what day of the week is 26 May? (a) Thursday (b) Sunday (c) Saturday (d) Friday
34. 34.Today is Saturday. What day of the week will it be after 24 days? (a) Tuesday (b) Thursday (c) Monday (d) Wednesday
35. 35.If 13 August is a Tuesday, what day of the week is 17 September? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
36. 36.Today is Saturday. What day of the week will it be after 54 days? (a) Thursday (b) Wednesday (c) Friday (d) Saturday
37. 37.If 10 August is a Wednesday, what day of the week is 24 August? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
38. 38.Today is Sunday. What day of the week will it be after 38 days? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
39. 39.Today is Monday. What day of the week will it be after 42 days? (a) Wednesday (b) Monday (c) Sunday (d) Tuesday
40. 40.If 11 August is a Sunday, what day of the week is 3 September? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday

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