Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 624 · 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 83 days? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
2. 2.If 5 July is a Saturday, what day of the week is 21 July? (a) Wednesday (b) Monday (c) Tuesday (d) Sunday
3. 3.Today is Sunday. What day of the week will it be after 80 days? (a) Tuesday (b) Thursday (c) Wednesday (d) Friday
4. 4.If 9 January is a Wednesday, what day of the week is 23 January? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
5. 5.If 22 January is a Tuesday, what day of the week is 6 February? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
6. 6.If 18 October is a Wednesday, what day of the week is 20 November? (a) Monday (b) Sunday (c) Tuesday (d) Wednesday
7. 7.If 19 September is a Monday, what day of the week is 2 October? (a) Monday (b) Sunday (c) Saturday (d) Tuesday
8. 8.Today is Wednesday. What day of the week will it be after 53 days? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
9. 9.If 15 October is a Tuesday, what day of the week is 26 October? (a) Monday (b) Sunday (c) Saturday (d) Friday
10. 10.Today is Thursday. What day of the week will it be after 27 days? (a) Wednesday (b) Tuesday (c) Friday (d) Thursday
11. 11.Today is Saturday. What day of the week will it be after 30 days? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
12. 12.If 12 October is a Saturday, what day of the week is 8 November? (a) Saturday (b) Thursday (c) Friday (d) Sunday
13. 13.If 27 August is a Tuesday, what day of the week is 9 September? (a) Tuesday (b) Wednesday (c) Sunday (d) Monday
14. 14.If 21 April is a Saturday, what day of the week is 14 May? (a) Sunday (b) Monday (c) Tuesday (d) Wednesday
15. 15.Today is Tuesday. What day of the week will it be after 76 days? (a) Monday (b) Wednesday (c) Tuesday (d) Sunday
16. 16.Today is Thursday. What day of the week will it be after 55 days? (a) Wednesday (b) Friday (c) Thursday (d) Tuesday
17. 17.If 18 September is a Thursday, what day of the week is 13 October? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
18. 18.If 8 July is a Monday, what day of the week is 20 July? (a) Monday (b) Friday (c) Saturday (d) Sunday
19. 19.If 15 June is a Thursday, what day of the week is 1 July? (a) Saturday (b) Sunday (c) Friday (d) Monday
20. 20.If 15 June is a Friday, what day of the week is 15 July? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
21. 21.Today is Thursday. What day of the week will it be after 14 days? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
22. 22.If 1 October is a Monday, what day of the week is 11 October? (a) Friday (b) Thursday (c) Wednesday (d) Saturday
23. 23.If 2 December is a Saturday, what day of the week is 17 December? (a) Saturday (b) Sunday (c) Monday (d) Tuesday
24. 24.If 7 January is a Tuesday, what day of the week is 18 January? (a) Monday (b) Friday (c) Saturday (d) Sunday
25. 25.If 10 August is a Tuesday, what day of the week is 26 August? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
26. 26.Today is Friday. What day of the week will it be after 10 days? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
27. 27.Today is Saturday. What day of the week will it be after 10 days? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
28. 28.If 27 March is a Friday, what day of the week is 3 April? (a) Thursday (b) Friday (c) Sunday (d) Saturday
29. 29.If 3 March is a Thursday, what day of the week is 18 March? (a) Friday (b) Saturday (c) Sunday (d) Thursday
30. 30.If 12 January is a Wednesday, what day of the week is 21 January? (a) Saturday (b) Thursday (c) Friday (d) Sunday
31. 31.If 24 July is a Saturday, what day of the week is 18 August? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
32. 32.If 6 December is a Tuesday, what day of the week is 14 December? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
33. 33.If 23 January is a Monday, what day of the week is 20 February? (a) Wednesday (b) Tuesday (c) Monday (d) Sunday
34. 34.If 2 July is a Monday, what day of the week is 16 July? (a) Wednesday (b) Tuesday (c) Sunday (d) Monday
35. 35.Today is Saturday. What day of the week will it be after 88 days? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
36. 36.If 13 October is a Monday, what day of the week is 4 November? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
37. 37.If 12 May is a Sunday, what day of the week is 27 May? (a) Monday (b) Wednesday (c) Tuesday (d) Sunday
38. 38.Today is Monday. What day of the week will it be after 40 days? (a) Saturday (b) Monday (c) Friday (d) Sunday
39. 39.Today is Monday. What day of the week will it be after 32 days? (a) Friday (b) Saturday (c) Sunday (d) Thursday
40. 40.If 4 January is a Tuesday, what day of the week is 13 January? (a) Wednesday (b) Thursday (c) Saturday (d) Friday

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