Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 835 · 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 20 September is a Thursday, what day of the week is 7 October? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
2. 2.Today is Thursday. What day of the week will it be after 68 days? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
3. 3.If 11 January is a Friday, what day of the week is 27 January? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
4. 4.If 17 November is a Monday, what day of the week is 1 December? (a) Monday (b) Wednesday (c) Tuesday (d) Sunday
5. 5.If 2 December is a Wednesday, what day of the week is 18 December? (a) Saturday (b) Thursday (c) Sunday (d) Friday
6. 6.Today is Wednesday. What day of the week will it be after 47 days? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
7. 7.If 1 March is a Tuesday, what day of the week is 15 March? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
8. 8.Today is Sunday. What day of the week will it be after 79 days? (a) Tuesday (b) Monday (c) Wednesday (d) Thursday
9. 9.If 6 December is a Saturday, what day of the week is 20 December? (a) Saturday (b) Friday (c) Monday (d) Sunday
10. 10.If 12 June is a Thursday, what day of the week is 17 July? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
11. 11.If 24 November is a Tuesday, what day of the week is 7 December? (a) Wednesday (b) Monday (c) Tuesday (d) Sunday
12. 12.If 8 January is a Tuesday, what day of the week is 18 January? (a) Friday (b) Sunday (c) Saturday (d) Thursday
13. 13.Today is Tuesday. What day of the week will it be after 35 days? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
14. 14.If 7 December is a Friday, what day of the week is 19 December? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
15. 15.If 11 July is a Wednesday, what day of the week is 2 August? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
16. 16.Today is Monday. What day of the week will it be after 41 days? (a) Sunday (b) Tuesday (c) Saturday (d) Monday
17. 17.If 23 October is a Tuesday, what day of the week is 5 November? (a) Tuesday (b) Monday (c) Wednesday (d) Sunday
18. 18.Today is Sunday. What day of the week will it be after 25 days? (a) Thursday (b) Wednesday (c) Saturday (d) Friday
19. 19.If 5 May is a Thursday, what day of the week is 20 May? (a) Sunday (b) Thursday (c) Friday (d) Saturday
20. 20.If 2 July is a Saturday, what day of the week is 16 July? (a) Sunday (b) Friday (c) Monday (d) Saturday
21. 21.If 11 July is a Monday, what day of the week is 20 July? (a) Tuesday (b) Thursday (c) Wednesday (d) Friday
22. 22.If 10 November is a Tuesday, what day of the week is 10 December? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
23. 23.If 30 January is a Monday, what day of the week is 19 February? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
24. 24.If 14 July is a Friday, what day of the week is 17 August? (a) Thursday (b) Saturday (c) Wednesday (d) Friday
25. 25.If 6 May is a Sunday, what day of the week is 19 May? (a) Sunday (b) Monday (c) Saturday (d) Friday
26. 26.If 11 July is a Saturday, what day of the week is 1 August? (a) Sunday (b) Monday (c) Friday (d) Saturday
27. 27.If 11 September is a Tuesday, what day of the week is 1 October? (a) Sunday (b) Monday (c) Tuesday (d) Wednesday
28. 28.Today is Tuesday. What day of the week will it be after 13 days? (a) Wednesday (b) Monday (c) Sunday (d) Tuesday
29. 29.If 16 April is a Saturday, what day of the week is 13 May? (a) Thursday (b) Friday (c) Sunday (d) Saturday
30. 30.If 13 August is a Monday, what day of the week is 5 September? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
31. 31.Today is Thursday. What day of the week will it be after 45 days? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
32. 32.If 1 December is a Monday, what day of the week is 14 December? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
33. 33.Today is Wednesday. What day of the week will it be after 66 days? (a) Monday (b) Friday (c) Saturday (d) Sunday
34. 34.Today is Saturday. What day of the week will it be after 71 days? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
35. 35.If 12 August is a Wednesday, what day of the week is 23 August? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
36. 36.Today is Saturday. What day of the week will it be after 36 days? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
37. 37.If 7 January is a Friday, what day of the week is 17 January? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
38. 38.If 15 July is a Friday, what day of the week is 16 August? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
39. 39.If 7 December is a Saturday, what day of the week is 23 December? (a) Wednesday (b) Tuesday (c) Sunday (d) Monday
40. 40.If 1 March is a Sunday, what day of the week is 15 March? (a) Saturday (b) Sunday (c) Tuesday (d) Monday

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