Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 131 · 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.Today is Saturday. What day of the week will it be after 45 days? (a) Tuesday (b) Thursday (c) Monday (d) Wednesday
2. 2.Today is Tuesday. What day of the week will it be after 42 days? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
3. 3.If 6 December is a Wednesday, what day of the week is 21 December? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
4. 4.Today is Saturday. What day of the week will it be after 18 days? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
5. 5.Today is Tuesday. What day of the week will it be after 61 days? (a) Sunday (b) Monday (c) Tuesday (d) Saturday
6. 6.Today is Thursday. What day of the week will it be after 80 days? (a) Monday (b) Sunday (c) Saturday (d) Tuesday
7. 7.If 11 August is a Friday, what day of the week is 10 September? (a) Sunday (b) Monday (c) Tuesday (d) Saturday
8. 8.If 11 July is a Saturday, what day of the week is 20 July? (a) Tuesday (b) Monday (c) Sunday (d) Wednesday
9. 9.If 16 October is a Wednesday, what day of the week is 11 November? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
10. 10.If 30 November is a Tuesday, what day of the week is 10 December? (a) Sunday (b) Saturday (c) Friday (d) Thursday
11. 11.If 15 March is a Thursday, what day of the week is 25 March? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
12. 12.Today is Monday. What day of the week will it be after 30 days? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
13. 13.Today is Tuesday. What day of the week will it be after 75 days? (a) Sunday (b) Tuesday (c) Saturday (d) Monday
14. 14.Today is Sunday. What day of the week will it be after 63 days? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
15. 15.If 10 August is a Monday, what day of the week is 3 September? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
16. 16.If 14 January is a Tuesday, what day of the week is 23 January? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
17. 17.If 2 August is a Saturday, what day of the week is 10 August? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
18. 18.Today is Wednesday. What day of the week will it be after 30 days? (a) Thursday (b) Saturday (c) Sunday (d) Friday
19. 19.If 1 January is a Tuesday, what day of the week is 10 January? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
20. 20.If 29 June is a Monday, what day of the week is 5 July? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
21. 21.If 2 May is a Tuesday, what day of the week is 18 May? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
22. 22.If 11 August is a Friday, what day of the week is 5 September? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
23. 23.If 25 November is a Thursday, what day of the week is 15 December? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
24. 24.If 23 June is a Saturday, what day of the week is 9 July? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
25. 25.If 16 July is a Tuesday, what day of the week is 3 August? (a) Monday (b) Saturday (c) Sunday (d) Friday
26. 26.If 15 October is a Tuesday, what day of the week is 28 October? (a) Sunday (b) Monday (c) Tuesday (d) Wednesday
27. 27.If 7 March is a Wednesday, what day of the week is 18 March? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
28. 28.If 14 December is a Thursday, what day of the week is 23 December? (a) Friday (b) Saturday (c) Monday (d) Sunday
29. 29.Today is Thursday. What day of the week will it be after 14 days? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
30. 30.If 2 May is a Wednesday, what day of the week is 13 May? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
31. 31.If 15 August is a Tuesday, what day of the week is 24 August? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
32. 32.If 2 August is a Wednesday, what day of the week is 14 August? (a) Monday (b) Wednesday (c) Sunday (d) Tuesday
33. 33.If 12 October is a Saturday, what day of the week is 3 November? (a) Monday (b) Sunday (c) Tuesday (d) Saturday
34. 34.If 13 May is a Monday, what day of the week is 16 June? (a) Monday (b) Sunday (c) Saturday (d) Tuesday
35. 35.If 11 January is a Friday, what day of the week is 22 January? (a) Tuesday (b) Wednesday (c) Monday (d) Thursday
36. 36.Today is Tuesday. What day of the week will it be after 56 days? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
37. 37.If 12 January is a Monday, what day of the week is 1 February? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
38. 38.Today is Thursday. What day of the week will it be after 35 days? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
39. 39.If 10 August is a Sunday, what day of the week is 2 September? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
40. 40.If 2 January is a Tuesday, what day of the week is 10 January? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday

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