Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 14 · 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 7 July is a Thursday, what day of the week is 20 July? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
2. 2.If 2 December is a Wednesday, what day of the week is 12 December? (a) Saturday (b) Sunday (c) Monday (d) Friday
3. 3.If 28 October is a Sunday, what day of the week is 8 November? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
4. 4.If 6 January is a Tuesday, what day of the week is 15 January? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
5. 5.Today is Wednesday. What day of the week will it be after 100 days? (a) Saturday (b) Thursday (c) Friday (d) Sunday
6. 6.Today is Wednesday. What day of the week will it be after 42 days? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
7. 7.Today is Sunday. What day of the week will it be after 59 days? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
8. 8.If 3 August is a Friday, what day of the week is 11 August? (a) Sunday (b) Saturday (c) Friday (d) Monday
9. 9.Today is Tuesday. What day of the week will it be after 71 days? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
10. 10.If 12 October is a Monday, what day of the week is 24 October? (a) Saturday (b) Monday (c) Sunday (d) Friday
11. 11.Today is Tuesday. What day of the week will it be after 29 days? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
12. 12.If 21 January is a Tuesday, what day of the week is 10 February? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
13. 13.If 14 July is a Thursday, what day of the week is 25 July? (a) Wednesday (b) Monday (c) Tuesday (d) Sunday
14. 14.If 24 July is a Monday, what day of the week is 9 August? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
15. 15.Today is Thursday. What day of the week will it be after 97 days? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
16. 16.If 11 January is a Friday, what day of the week is 23 January? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
17. 17.If 20 September is a Thursday, what day of the week is 8 October? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
18. 18.If 1 July is a Monday, what day of the week is 15 July? (a) Monday (b) Sunday (c) Tuesday (d) Wednesday
19. 19.Today is Tuesday. What day of the week will it be after 62 days? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
20. 20.Today is Tuesday. What day of the week will it be after 48 days? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
21. 21.Today is Thursday. What day of the week will it be after 64 days? (a) Saturday (b) Thursday (c) Sunday (d) Friday
22. 22.Today is Thursday. What day of the week will it be after 18 days? (a) Wednesday (b) Tuesday (c) Sunday (d) Monday
23. 23.If 11 March is a Friday, what day of the week is 15 April? (a) Friday (b) Thursday (c) Sunday (d) Saturday
24. 24.If 2 August is a Monday, what day of the week is 17 August? (a) Tuesday (b) Thursday (c) Monday (d) Wednesday
25. 25.If 10 May is a Friday, what day of the week is 19 May? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
26. 26.Today is Tuesday. What day of the week will it be after 20 days? (a) Monday (b) Wednesday (c) Tuesday (d) Sunday
27. 27.If 12 October is a Friday, what day of the week is 20 October? (a) Saturday (b) Friday (c) Monday (d) Sunday
28. 28.Today is Monday. What day of the week will it be after 61 days? (a) Sunday (b) Friday (c) Saturday (d) Monday
29. 29.If 12 November is a Sunday, what day of the week is 9 December? (a) Monday (b) Sunday (c) Saturday (d) Friday
30. 30.Today is Monday. What day of the week will it be after 34 days? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
31. 31.If 12 December is a Tuesday, what day of the week is 28 December? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
32. 32.If 11 January is a Thursday, what day of the week is 10 February? (a) Friday (b) Monday (c) Sunday (d) Saturday
33. 33.If 12 September is a Wednesday, what day of the week is 11 October? (a) Friday (b) Thursday (c) Wednesday (d) Saturday
34. 34.If 26 January is a Tuesday, what day of the week is 2 February? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
35. 35.Today is Wednesday. What day of the week will it be after 12 days? (a) Monday (b) Wednesday (c) Tuesday (d) Sunday
36. 36.If 8 July is a Friday, what day of the week is 23 July? (a) Friday (b) Monday (c) Sunday (d) Saturday
37. 37.If 5 October is a Friday, what day of the week is 17 October? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
38. 38.If 5 July is a Friday, what day of the week is 20 July? (a) Saturday (b) Monday (c) Sunday (d) Friday
39. 39.If 5 August is a Monday, what day of the week is 21 August? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
40. 40.Today is Sunday. What day of the week will it be after 35 days? (a) Saturday (b) Sunday (c) Monday (d) Tuesday

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