Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 201 · 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 6 October is a Saturday, what day of the week is 14 October? (a) Monday (b) Sunday (c) Tuesday (d) Saturday
2. 2.If 13 September is a Friday, what day of the week is 9 October? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
3. 3.If 7 March is a Monday, what day of the week is 15 March? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
4. 4.If 4 July is a Wednesday, what day of the week is 16 July? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
5. 5.If 22 September is a Thursday, what day of the week is 11 October? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
6. 6.If 31 January is a Saturday, what day of the week is 4 February? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
7. 7.If 11 September is a Saturday, what day of the week is 3 October? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
8. 8.If 9 January is a Monday, what day of the week is 19 January? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
9. 9.If 18 October is a Friday, what day of the week is 10 November? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
10. 10.If 11 July is a Sunday, what day of the week is 26 July? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
11. 11.If 3 December is a Friday, what day of the week is 17 December? (a) Friday (b) Saturday (c) Thursday (d) Sunday
12. 12.If 18 April is a Wednesday, what day of the week is 1 May? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
13. 13.Today is Tuesday. What day of the week will it be after 35 days? (a) Tuesday (b) Thursday (c) Wednesday (d) Monday
14. 14.If 7 March is a Wednesday, what day of the week is 15 March? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
15. 15.If 4 March is a Sunday, what day of the week is 14 March? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
16. 16.If 18 September is a Tuesday, what day of the week is 13 October? (a) Friday (b) Sunday (c) Monday (d) Saturday
17. 17.Today is Monday. What day of the week will it be after 100 days? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
18. 18.If 8 March is a Tuesday, what day of the week is 23 March? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
19. 19.Today is Tuesday. What day of the week will it be after 50 days? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
20. 20.If 22 March is a Friday, what day of the week is 20 April? (a) Monday (b) Saturday (c) Sunday (d) Friday
21. 21.If 11 August is a Sunday, what day of the week is 21 August? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
22. 22.If 1 January is a Sunday, what day of the week is 13 January? (a) Friday (b) Thursday (c) Saturday (d) Sunday
23. 23.If 12 December is a Sunday, what day of the week is 25 December? (a) Monday (b) Friday (c) Saturday (d) Sunday
24. 24.If 13 June is a Monday, what day of the week is 4 July? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
25. 25.If 18 October is a Friday, what day of the week is 20 November? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
26. 26.If 12 March is a Wednesday, what day of the week is 5 April? (a) Saturday (b) Friday (c) Monday (d) Sunday
27. 27.If 26 March is a Thursday, what day of the week is 10 April? (a) Thursday (b) Sunday (c) Saturday (d) Friday
28. 28.If 21 June is a Friday, what day of the week is 17 July? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
29. 29.If 17 April is a Saturday, what day of the week is 6 May? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
30. 30.If 6 July is a Sunday, what day of the week is 19 July? (a) Friday (b) Saturday (c) Monday (d) Sunday
31. 31.If 11 January is a Tuesday, what day of the week is 21 January? (a) Thursday (b) Friday (c) Sunday (d) Saturday
32. 32.If 8 July is a Tuesday, what day of the week is 21 July? (a) Monday (b) Tuesday (c) Sunday (d) Wednesday
33. 33.Today is Tuesday. What day of the week will it be after 21 days? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
34. 34.Today is Monday. What day of the week will it be after 59 days? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
35. 35.If 12 April is a Monday, what day of the week is 16 May? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
36. 36.Today is Monday. What day of the week will it be after 23 days? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
37. 37.If 2 March is a Saturday, what day of the week is 10 March? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
38. 38.If 13 March is a Wednesday, what day of the week is 29 March? (a) Thursday (b) Sunday (c) Friday (d) Saturday
39. 39.If 19 June is a Wednesday, what day of the week is 2 July? (a) Tuesday (b) Thursday (c) Wednesday (d) Monday
40. 40.If 22 May is a Sunday, what day of the week is 20 June? (a) Monday (b) Wednesday (c) Sunday (d) Tuesday

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