Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 750 · 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 Saturday. What day of the week will it be after 65 days? (a) Tuesday (b) Wednesday (c) Sunday (d) Monday
2. 2.If 9 May is a Thursday, what day of the week is 21 May? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
3. 3.If 6 October is a Wednesday, what day of the week is 16 October? (a) Saturday (b) Monday (c) Friday (d) Sunday
4. 4.If 17 March is a Wednesday, what day of the week is 13 April? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
5. 5.If 10 October is a Saturday, what day of the week is 7 November? (a) Sunday (b) Friday (c) Monday (d) Saturday
6. 6.If 16 April is a Tuesday, what day of the week is 11 May? (a) Friday (b) Sunday (c) Monday (d) Saturday
7. 7.If 1 January is a Thursday, what day of the week is 13 January? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
8. 8.If 17 November is a Tuesday, what day of the week is 1 December? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
9. 9.If 15 January is a Wednesday, what day of the week is 31 January? (a) Saturday (b) Sunday (c) Friday (d) Thursday
10. 10.If 2 March is a Monday, what day of the week is 17 March? (a) Wednesday (b) Tuesday (c) Thursday (d) Monday
11. 11.Today is Friday. What day of the week will it be after 24 days? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
12. 12.If 18 January is a Monday, what day of the week is 4 February? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
13. 13.If 1 January is a Wednesday, what day of the week is 10 January? (a) Friday (b) Sunday (c) Thursday (d) Saturday
14. 14.If 3 December is a Wednesday, what day of the week is 13 December? (a) Saturday (b) Sunday (c) Monday (d) Friday
15. 15.If 28 March is a Sunday, what day of the week is 11 April? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
16. 16.Today is Sunday. What day of the week will it be after 82 days? (a) Thursday (b) Saturday (c) Sunday (d) Friday
17. 17.Today is Tuesday. What day of the week will it be after 10 days? (a) Friday (b) Thursday (c) Saturday (d) Sunday
18. 18.If 21 August is a Tuesday, what day of the week is 2 September? (a) Monday (b) Sunday (c) Saturday (d) Tuesday
19. 19.Today is Tuesday. What day of the week will it be after 33 days? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
20. 20.If 3 October is a Wednesday, what day of the week is 19 October? (a) Saturday (b) Friday (c) Sunday (d) Thursday
21. 21.If 29 October is a Saturday, what day of the week is 16 November? (a) Wednesday (b) Thursday (c) Tuesday (d) Friday
22. 22.If 1 March is a Friday, what day of the week is 17 March? (a) Tuesday (b) Monday (c) Sunday (d) Saturday
23. 23.If 15 May is a Saturday, what day of the week is 19 June? (a) Friday (b) Monday (c) Sunday (d) Saturday
24. 24.Today is Sunday. What day of the week will it be after 67 days? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
25. 25.Today is Tuesday. What day of the week will it be after 79 days? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
26. 26.If 18 April is a Friday, what day of the week is 14 May? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
27. 27.If 11 August is a Sunday, what day of the week is 26 August? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
28. 28.Today is Monday. What day of the week will it be after 89 days? (a) Saturday (b) Monday (c) Friday (d) Sunday
29. 29.Today is Sunday. What day of the week will it be after 10 days? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
30. 30.If 6 October is a Friday, what day of the week is 15 October? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
31. 31.If 9 March is a Monday, what day of the week is 17 March? (a) Tuesday (b) Thursday (c) Monday (d) Wednesday
32. 32.If 29 October is a Tuesday, what day of the week is 18 November? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
33. 33.Today is Saturday. What day of the week will it be after 20 days? (a) Friday (b) Saturday (c) Sunday (d) Thursday
34. 34.Today is Friday. What day of the week will it be after 41 days? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
35. 35.Today is Sunday. What day of the week will it be after 80 days? (a) Tuesday (b) Thursday (c) Wednesday (d) Friday
36. 36.If 11 September is a Monday, what day of the week is 10 October? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
37. 37.If 7 March is a Monday, what day of the week is 20 March? (a) Tuesday (b) Sunday (c) Monday (d) Saturday
38. 38.Today is Friday. What day of the week will it be after 55 days? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
39. 39.Today is Thursday. What day of the week will it be after 40 days? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
40. 40.Today is Thursday. What day of the week will it be after 39 days? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday

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