Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 87 · 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 19 October is a Friday, what day of the week is 11 November? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
2. 2.If 9 July is a Wednesday, what day of the week is 23 July? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
3. 3.If 13 May is a Sunday, what day of the week is 13 June? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
4. 4.Today is Thursday. What day of the week will it be after 42 days? (a) Wednesday (b) Thursday (c) Saturday (d) Friday
5. 5.If 10 August is a Sunday, what day of the week is 20 September? (a) Monday (b) Sunday (c) Saturday (d) Friday
6. 6.If 24 August is a Saturday, what day of the week is 1 September? (a) Sunday (b) Saturday (c) Tuesday (d) Monday
7. 7.If 21 January is a Saturday, what day of the week is 5 February? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
8. 8.Today is Thursday. What day of the week will it be after 12 days? (a) Tuesday (b) Monday (c) Wednesday (d) Thursday
9. 9.If 11 January is a Wednesday, what day of the week is 20 January? (a) Friday (b) Sunday (c) Thursday (d) Saturday
10. 10.Today is Wednesday. What day of the week will it be after 25 days? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
11. 11.If 11 October is a Tuesday, what day of the week is 20 October? (a) Thursday (b) Friday (c) Saturday (d) Wednesday
12. 12.If 8 January is a Sunday, what day of the week is 19 January? (a) Wednesday (b) Thursday (c) Friday (d) Saturday
13. 13.If 4 July is a Monday, what day of the week is 14 July? (a) Thursday (b) Saturday (c) Friday (d) Wednesday
14. 14.Today is Friday. What day of the week will it be after 29 days? (a) Sunday (b) Monday (c) Friday (d) Saturday
15. 15.If 25 June is a Thursday, what day of the week is 2 July? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
16. 16.Today is Thursday. What day of the week will it be after 37 days? (a) Monday (b) Sunday (c) Saturday (d) Friday
17. 17.If 6 December is a Thursday, what day of the week is 16 December? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
18. 18.If 16 January is a Saturday, what day of the week is 19 February? (a) Sunday (b) Thursday (c) Saturday (d) Friday
19. 19.Today is Wednesday. What day of the week will it be after 97 days? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
20. 20.Today is Tuesday. What day of the week will it be after 32 days? (a) Monday (b) Sunday (c) Saturday (d) Friday
21. 21.If 11 October is a Tuesday, what day of the week is 10 November? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
22. 22.If 3 January is a Friday, what day of the week is 16 January? (a) Thursday (b) Wednesday (c) Friday (d) Saturday
23. 23.If 9 October is a Saturday, what day of the week is 18 October? (a) Wednesday (b) Tuesday (c) Sunday (d) Monday
24. 24.If 12 July is a Tuesday, what day of the week is 21 July? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
25. 25.If 2 May is a Tuesday, what day of the week is 17 May? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
26. 26.If 8 December is a Wednesday, what day of the week is 20 December? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
27. 27.Today is Wednesday. What day of the week will it be after 56 days? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
28. 28.If 13 April is a Monday, what day of the week is 20 May? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
29. 29.If 25 August is a Monday, what day of the week is 10 September? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
30. 30.Today is Saturday. What day of the week will it be after 79 days? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
31. 31.If 10 December is a Sunday, what day of the week is 22 December? (a) Thursday (b) Saturday (c) Sunday (d) Friday
32. 32.Today is Wednesday. What day of the week will it be after 73 days? (a) Friday (b) Sunday (c) Monday (d) Saturday
33. 33.If 13 May is a Wednesday, what day of the week is 26 May? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
34. 34.If 3 December is a Saturday, what day of the week is 17 December? (a) Saturday (b) Sunday (c) Monday (d) Friday
35. 35.If 1 January is a Monday, what day of the week is 12 January? (a) Sunday (b) Friday (c) Thursday (d) Saturday
36. 36.If 11 October is a Wednesday, what day of the week is 19 October? (a) Thursday (b) Wednesday (c) Saturday (d) Friday
37. 37.If 21 June is a Sunday, what day of the week is 9 July? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
38. 38.Today is Tuesday. What day of the week will it be after 45 days? (a) Thursday (b) Friday (c) Saturday (d) Sunday
39. 39.Today is Saturday. What day of the week will it be after 35 days? (a) Monday (b) Sunday (c) Saturday (d) Friday
40. 40.If 12 July is a Saturday, what day of the week is 24 July? (a) Wednesday (b) Friday (c) Thursday (d) Saturday

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