Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 432 · 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 Monday. What day of the week will it be after 97 days? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
2. 2.Today is Wednesday. What day of the week will it be after 49 days? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
3. 3.If 7 December is a Wednesday, what day of the week is 18 December? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
4. 4.Today is Monday. What day of the week will it be after 98 days? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
5. 5.Today is Monday. What day of the week will it be after 71 days? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
6. 6.If 29 July is a Friday, what day of the week is 5 August? (a) Friday (b) Thursday (c) Saturday (d) Sunday
7. 7.If 13 October is a Sunday, what day of the week is 16 November? (a) Saturday (b) Friday (c) Monday (d) Sunday
8. 8.If 26 November is a Saturday, what day of the week is 6 December? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
9. 9.Today is Friday. What day of the week will it be after 17 days? (a) Wednesday (b) Tuesday (c) Monday (d) Sunday
10. 10.If 15 July is a Monday, what day of the week is 29 July? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
11. 11.If 6 December is a Sunday, what day of the week is 15 December? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
12. 12.If 1 July is a Tuesday, what day of the week is 15 July? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
13. 13.Today is Wednesday. What day of the week will it be after 10 days? (a) Monday (b) Friday (c) Saturday (d) Sunday
14. 14.Today is Tuesday. What day of the week will it be after 84 days? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
15. 15.Today is Sunday. What day of the week will it be after 72 days? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
16. 16.Today is Monday. What day of the week will it be after 95 days? (a) Sunday (b) Friday (c) Saturday (d) Thursday
17. 17.Today is Saturday. What day of the week will it be after 80 days? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday
18. 18.If 6 August is a Thursday, what day of the week is 19 August? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
19. 19.If 23 August is a Monday, what day of the week is 3 September? (a) Sunday (b) Thursday (c) Saturday (d) Friday
20. 20.If 30 August is a Tuesday, what day of the week is 18 September? (a) Sunday (b) Saturday (c) Monday (d) Tuesday
21. 21.If 9 May is a Sunday, what day of the week is 21 May? (a) Thursday (b) Sunday (c) Friday (d) Saturday
22. 22.If 20 April is a Wednesday, what day of the week is 17 May? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
23. 23.Today is Wednesday. What day of the week will it be after 65 days? (a) Saturday (b) Friday (c) Sunday (d) Thursday
24. 24.If 5 January is a Thursday, what day of the week is 18 January? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
25. 25.If 13 October is a Wednesday, what day of the week is 27 October? (a) Wednesday (b) Thursday (c) Tuesday (d) Friday
26. 26.If 14 June is a Monday, what day of the week is 7 July? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
27. 27.If 12 October is a Wednesday, what day of the week is 6 November? (a) Sunday (b) Saturday (c) Monday (d) Tuesday
28. 28.If 14 July is a Sunday, what day of the week is 25 July? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
29. 29.Today is Tuesday. What day of the week will it be after 80 days? (a) Thursday (b) Sunday (c) Saturday (d) Friday
30. 30.If 28 October is a Monday, what day of the week is 20 November? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
31. 31.If 14 March is a Monday, what day of the week is 25 March? (a) Thursday (b) Friday (c) Sunday (d) Saturday
32. 32.If 10 June is a Sunday, what day of the week is 5 July? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
33. 33.Today is Thursday. What day of the week will it be after 40 days? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
34. 34.If 24 August is a Wednesday, what day of the week is 18 September? (a) Sunday (b) Saturday (c) Monday (d) Tuesday
35. 35.Today is Friday. What day of the week will it be after 57 days? (a) Sunday (b) Saturday (c) Monday (d) Friday
36. 36.Today is Saturday. What day of the week will it be after 35 days? (a) Saturday (b) Sunday (c) Monday (d) Friday
37. 37.If 6 December is a Monday, what day of the week is 20 December? (a) Wednesday (b) Monday (c) Tuesday (d) Sunday
38. 38.If 6 January is a Thursday, what day of the week is 17 January? (a) Monday (b) Sunday (c) Wednesday (d) Tuesday
39. 39.Today is Sunday. What day of the week will it be after 40 days? (a) Saturday (b) Thursday (c) Friday (d) Sunday
40. 40.If 1 January is a Tuesday, what day of the week is 9 January? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday

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