Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 586 · 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 Thursday. What day of the week will it be after 85 days? (a) Friday (b) Saturday (c) Thursday (d) Sunday
2. 2.Today is Sunday. What day of the week will it be after 97 days? (a) Monday (b) Friday (c) Saturday (d) Sunday
3. 3.Today is Saturday. What day of the week will it be after 94 days? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
4. 4.Today is Thursday. What day of the week will it be after 41 days? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
5. 5.If 12 November is a Sunday, what day of the week is 15 December? (a) Saturday (b) Friday (c) Thursday (d) Sunday
6. 6.Today is Tuesday. What day of the week will it be after 24 days? (a) Thursday (b) Saturday (c) Friday (d) Sunday
7. 7.If 12 March is a Monday, what day of the week is 20 March? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
8. 8.If 29 September is a Thursday, what day of the week is 4 October? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
9. 9.If 26 April is a Thursday, what day of the week is 18 May? (a) Thursday (b) Sunday (c) Saturday (d) Friday
10. 10.If 30 September is a Monday, what day of the week is 16 October? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
11. 11.If 3 July is a Monday, what day of the week is 17 July? (a) Tuesday (b) Wednesday (c) Sunday (d) Monday
12. 12.Today is Sunday. What day of the week will it be after 11 days? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
13. 13.If 9 August is a Monday, what day of the week is 17 August? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
14. 14.Today is Monday. What day of the week will it be after 13 days? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
15. 15.If 8 December is a Sunday, what day of the week is 20 December? (a) Thursday (b) Friday (c) Saturday (d) Sunday
16. 16.If 5 December is a Saturday, what day of the week is 21 December? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
17. 17.If 31 August is a Saturday, what day of the week is 20 September? (a) Saturday (b) Friday (c) Sunday (d) Thursday
18. 18.Today is Sunday. What day of the week will it be after 77 days? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
19. 19.If 14 January is a Thursday, what day of the week is 25 January? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
20. 20.Today is Thursday. What day of the week will it be after 99 days? (a) Saturday (b) Thursday (c) Friday (d) Sunday
21. 21.Today is Monday. What day of the week will it be after 54 days? (a) Friday (b) Sunday (c) Saturday (d) Monday
22. 22.If 15 May is a Monday, what day of the week is 30 May? (a) Tuesday (b) Wednesday (c) Thursday (d) Monday
23. 23.Today is Friday. What day of the week will it be after 96 days? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
24. 24.If 30 October is a Friday, what day of the week is 5 November? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
25. 25.Today is Monday. What day of the week will it be after 31 days? (a) Thursday (b) Friday (c) Saturday (d) Wednesday
26. 26.Today is Wednesday. What day of the week will it be after 70 days? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
27. 27.If 5 December is a Monday, what day of the week is 18 December? (a) Tuesday (b) Sunday (c) Monday (d) Saturday
28. 28.If 4 January is a Saturday, what day of the week is 16 January? (a) Wednesday (b) Thursday (c) Saturday (d) Friday
29. 29.Today is Sunday. What day of the week will it be after 75 days? (a) Friday (b) Sunday (c) Thursday (d) Saturday
30. 30.If 10 March is a Tuesday, what day of the week is 21 March? (a) Saturday (b) Friday (c) Monday (d) Sunday
31. 31.Today is Sunday. What day of the week will it be after 41 days? (a) Monday (b) Friday (c) Sunday (d) Saturday
32. 32.If 21 September is a Monday, what day of the week is 9 October? (a) Saturday (b) Thursday (c) Friday (d) Sunday
33. 33.If 10 March is a Wednesday, what day of the week is 17 April? (a) Friday (b) Saturday (c) Monday (d) Sunday
34. 34.If 21 January is a Saturday, what day of the week is 5 February? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
35. 35.Today is Sunday. What day of the week will it be after 76 days? (a) Sunday (b) Saturday (c) Friday (d) Monday
36. 36.If 6 August is a Monday, what day of the week is 18 August? (a) Sunday (b) Monday (c) Saturday (d) Friday
37. 37.Today is Thursday. What day of the week will it be after 31 days? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
38. 38.If 8 May is a Friday, what day of the week is 23 May? (a) Sunday (b) Monday (c) Saturday (d) Friday
39. 39.Today is Wednesday. What day of the week will it be after 82 days? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
40. 40.Today is Wednesday. What day of the week will it be after 90 days? (a) Tuesday (b) Wednesday (c) Thursday (d) Monday

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