Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 58 · 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.If 10 October is a Friday, what day of the week is 19 October? (a) Sunday (b) Monday (c) Saturday (d) Tuesday
2. 2.If 4 August is a Thursday, what day of the week is 20 August? (a) Saturday (b) Friday (c) Sunday (d) Monday
3. 3.If 12 September is a Wednesday, what day of the week is 19 October? (a) Friday (b) Saturday (c) Sunday (d) Thursday
4. 4.If 23 September is a Sunday, what day of the week is 19 October? (a) Thursday (b) Sunday (c) Saturday (d) Friday
5. 5.Today is Thursday. What day of the week will it be after 31 days? (a) Sunday (b) Tuesday (c) Monday (d) Saturday
6. 6.If 8 October is a Friday, what day of the week is 19 October? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
7. 7.If 14 April is a Friday, what day of the week is 15 May? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
8. 8.Today is Friday. What day of the week will it be after 95 days? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
9. 9.If 8 August is a Sunday, what day of the week is 17 August? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
10. 10.If 4 December is a Sunday, what day of the week is 20 December? (a) Tuesday (b) Thursday (c) Monday (d) Wednesday
11. 11.Today is Tuesday. What day of the week will it be after 83 days? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
12. 12.Today is Saturday. What day of the week will it be after 36 days? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
13. 13.If 12 May is a Monday, what day of the week is 20 May? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
14. 14.If 7 August is a Monday, what day of the week is 16 August? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
15. 15.Today is Sunday. What day of the week will it be after 79 days? (a) Tuesday (b) Thursday (c) Monday (d) Wednesday
16. 16.Today is Thursday. What day of the week will it be after 71 days? (a) Saturday (b) Friday (c) Thursday (d) Sunday
17. 17.If 19 October is a Tuesday, what day of the week is 6 November? (a) Monday (b) Sunday (c) Saturday (d) Friday
18. 18.If 2 October is a Thursday, what day of the week is 11 October? (a) Monday (b) Friday (c) Sunday (d) Saturday
19. 19.Today is Tuesday. What day of the week will it be after 16 days? (a) Saturday (b) Wednesday (c) Friday (d) Thursday
20. 20.If 17 July is a Tuesday, what day of the week is 11 August? (a) Sunday (b) Saturday (c) Friday (d) Monday
21. 21.Today is Friday. What day of the week will it be after 20 days? (a) Thursday (b) Saturday (c) Friday (d) Wednesday
22. 22.Today is Sunday. What day of the week will it be after 37 days? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
23. 23.If 4 March is a Wednesday, what day of the week is 12 March? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
24. 24.If 10 August is a Friday, what day of the week is 21 August? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
25. 25.Today is Monday. What day of the week will it be after 49 days? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
26. 26.If 3 August is a Thursday, what day of the week is 15 August? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
27. 27.Today is Sunday. What day of the week will it be after 42 days? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
28. 28.If 28 May is a Tuesday, what day of the week is 4 June? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
29. 29.If 7 December is a Sunday, what day of the week is 16 December? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
30. 30.If 2 December is a Tuesday, what day of the week is 14 December? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
31. 31.If 16 May is a Thursday, what day of the week is 10 June? (a) Monday (b) Wednesday (c) Sunday (d) Tuesday
32. 32.If 11 August is a Wednesday, what day of the week is 22 August? (a) Sunday (b) Tuesday (c) Saturday (d) Monday
33. 33.If 5 October is a Wednesday, what day of the week is 21 October? (a) Thursday (b) Friday (c) Sunday (d) Saturday
34. 34.If 18 August is a Sunday, what day of the week is 19 September? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
35. 35.If 3 January is a Friday, what day of the week is 13 January? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
36. 36.Today is Saturday. What day of the week will it be after 35 days? (a) Sunday (b) Saturday (c) Monday (d) Friday
37. 37.If 15 May is a Monday, what day of the week is 3 June? (a) Saturday (b) Sunday (c) Friday (d) Monday
38. 38.If 13 July is a Tuesday, what day of the week is 3 August? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
39. 39.Today is Saturday. What day of the week will it be after 73 days? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
40. 40.Today is Monday. What day of the week will it be after 38 days? (a) Thursday (b) Friday (c) Wednesday (d) Saturday

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