Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 338 · 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 42 days? (a) Tuesday (b) Thursday (c) Wednesday (d) Friday
2. 2.Today is Monday. What day of the week will it be after 30 days? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
3. 3.If 1 October is a Thursday, what day of the week is 15 October? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
4. 4.If 23 May is a Tuesday, what day of the week is 12 June? (a) Monday (b) Wednesday (c) Tuesday (d) Sunday
5. 5.If 19 September is a Saturday, what day of the week is 11 October? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
6. 6.If 12 May is a Tuesday, what day of the week is 23 May? (a) Sunday (b) Saturday (c) Friday (d) Monday
7. 7.Today is Monday. What day of the week will it be after 84 days? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
8. 8.Today is Saturday. What day of the week will it be after 85 days? (a) Sunday (b) Monday (c) Tuesday (d) Saturday
9. 9.If 1 October is a Friday, what day of the week is 11 October? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
10. 10.Today is Tuesday. What day of the week will it be after 36 days? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
11. 11.Today is Saturday. What day of the week will it be after 23 days? (a) Wednesday (b) Tuesday (c) Monday (d) Sunday
12. 12.If 12 July is a Sunday, what day of the week is 11 August? (a) Tuesday (b) Thursday (c) Monday (d) Wednesday
13. 13.If 4 March is a Saturday, what day of the week is 16 March? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
14. 14.If 14 March is a Friday, what day of the week is 30 March? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
15. 15.Today is Wednesday. What day of the week will it be after 76 days? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
16. 16.If 30 October is a Wednesday, what day of the week is 19 November? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday
17. 17.If 29 November is a Sunday, what day of the week is 15 December? (a) Tuesday (b) Monday (c) Wednesday (d) Thursday
18. 18.If 16 June is a Tuesday, what day of the week is 12 July? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
19. 19.If 14 December is a Monday, what day of the week is 24 December? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
20. 20.If 15 March is a Friday, what day of the week is 29 March? (a) Thursday (b) Sunday (c) Friday (d) Saturday
21. 21.Today is Tuesday. What day of the week will it be after 80 days? (a) Saturday (b) Thursday (c) Sunday (d) Friday
22. 22.Today is Saturday. What day of the week will it be after 96 days? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
23. 23.If 8 August is a Friday, what day of the week is 18 August? (a) Tuesday (b) Monday (c) Wednesday (d) Sunday
24. 24.If 21 August is a Wednesday, what day of the week is 2 September? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
25. 25.Today is Wednesday. What day of the week will it be after 71 days? (a) Wednesday (b) Thursday (c) Saturday (d) Friday
26. 26.If 17 January is a Thursday, what day of the week is 14 February? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
27. 27.Today is Tuesday. What day of the week will it be after 12 days? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
28. 28.If 5 January is a Saturday, what day of the week is 16 January? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
29. 29.If 2 August is a Saturday, what day of the week is 18 August? (a) Monday (b) Sunday (c) Tuesday (d) Wednesday
30. 30.If 4 December is a Saturday, what day of the week is 12 December? (a) Sunday (b) Monday (c) Saturday (d) Tuesday
31. 31.If 15 December is a Tuesday, what day of the week is 31 December? (a) Thursday (b) Saturday (c) Wednesday (d) Friday
32. 32.If 22 March is a Sunday, what day of the week is 7 April? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
33. 33.Today is Monday. What day of the week will it be after 18 days? (a) Saturday (b) Sunday (c) Friday (d) Thursday
34. 34.Today is Wednesday. What day of the week will it be after 95 days? (a) Tuesday (b) Sunday (c) Monday (d) Saturday
35. 35.If 28 May is a Sunday, what day of the week is 6 June? (a) Tuesday (b) Thursday (c) Monday (d) Wednesday
36. 36.If 20 October is a Friday, what day of the week is 12 November? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
37. 37.If 22 November is a Tuesday, what day of the week is 10 December? (a) Monday (b) Saturday (c) Sunday (d) Friday
38. 38.Today is Friday. What day of the week will it be after 25 days? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
39. 39.If 18 September is a Thursday, what day of the week is 7 October? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
40. 40.If 7 March is a Sunday, what day of the week is 20 March? (a) Saturday (b) Monday (c) Friday (d) Sunday

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