Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 673 · 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 11 December is a Wednesday, what day of the week is 25 December? (a) Tuesday (b) Thursday (c) Wednesday (d) Friday
2. 2.Today is Friday. What day of the week will it be after 11 days? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
3. 3.Today is Friday. What day of the week will it be after 63 days? (a) Friday (b) Thursday (c) Saturday (d) Sunday
4. 4.If 14 March is a Friday, what day of the week is 15 April? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
5. 5.Today is Tuesday. What day of the week will it be after 100 days? (a) Thursday (b) Saturday (c) Friday (d) Wednesday
6. 6.If 15 March is a Saturday, what day of the week is 25 March? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
7. 7.If 2 October is a Wednesday, what day of the week is 18 October? (a) Thursday (b) Saturday (c) Friday (d) Sunday
8. 8.If 2 October is a Saturday, what day of the week is 11 October? (a) Tuesday (b) Wednesday (c) Sunday (d) Monday
9. 9.If 9 January is a Wednesday, what day of the week is 17 January? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
10. 10.Today is Tuesday. What day of the week will it be after 49 days? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
11. 11.If 4 December is a Friday, what day of the week is 17 December? (a) Wednesday (b) Thursday (c) Friday (d) Saturday
12. 12.Today is Friday. What day of the week will it be after 86 days? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
13. 13.If 24 September is a Tuesday, what day of the week is 1 October? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
14. 14.If 3 October is a Wednesday, what day of the week is 14 October? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
15. 15.If 1 October is a Monday, what day of the week is 15 October? (a) Tuesday (b) Wednesday (c) Sunday (d) Monday
16. 16.If 8 July is a Wednesday, what day of the week is 18 July? (a) Sunday (b) Monday (c) Friday (d) Saturday
17. 17.Today is Monday. What day of the week will it be after 18 days? (a) Sunday (b) Friday (c) Thursday (d) Saturday
18. 18.Today is Monday. What day of the week will it be after 35 days? (a) Tuesday (b) Wednesday (c) Sunday (d) Monday
19. 19.Today is Friday. What day of the week will it be after 99 days? (a) Saturday (b) Sunday (c) Friday (d) Monday
20. 20.If 31 October is a Tuesday, what day of the week is 16 November? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
21. 21.Today is Wednesday. What day of the week will it be after 11 days? (a) Tuesday (b) Sunday (c) Saturday (d) Monday
22. 22.Today is Friday. What day of the week will it be after 68 days? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
23. 23.If 22 August is a Sunday, what day of the week is 5 September? (a) Sunday (b) Tuesday (c) Monday (d) Saturday
24. 24.If 20 July is a Sunday, what day of the week is 5 August? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
25. 25.Today is Monday. What day of the week will it be after 31 days? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
26. 26.If 3 October is a Thursday, what day of the week is 15 October? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
27. 27.If 9 August is a Sunday, what day of the week is 20 August? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
28. 28.If 1 December is a Monday, what day of the week is 13 December? (a) Sunday (b) Friday (c) Saturday (d) Monday
29. 29.If 1 October is a Friday, what day of the week is 16 October? (a) Monday (b) Friday (c) Sunday (d) Saturday
30. 30.If 4 March is a Monday, what day of the week is 17 March? (a) Tuesday (b) Monday (c) Sunday (d) Saturday
31. 31.If 5 March is a Thursday, what day of the week is 20 March? (a) Sunday (b) Friday (c) Saturday (d) Thursday
32. 32.If 5 August is a Tuesday, what day of the week is 20 August? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
33. 33.Today is Wednesday. What day of the week will it be after 58 days? (a) Thursday (b) Friday (c) Sunday (d) Saturday
34. 34.If 11 August is a Wednesday, what day of the week is 20 August? (a) Friday (b) Sunday (c) Saturday (d) Thursday
35. 35.If 8 December is a Wednesday, what day of the week is 17 December? (a) Thursday (b) Sunday (c) Friday (d) Saturday
36. 36.If 10 March is a Friday, what day of the week is 26 March? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
37. 37.If 14 January is a Wednesday, what day of the week is 25 January? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
38. 38.If 21 November is a Tuesday, what day of the week is 2 December? (a) Saturday (b) Sunday (c) Monday (d) Friday
39. 39.Today is Sunday. What day of the week will it be after 11 days? (a) Thursday (b) Saturday (c) Friday (d) Wednesday
40. 40.If 11 May is a Tuesday, what day of the week is 11 June? (a) Thursday (b) Friday (c) Sunday (d) Saturday

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