Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 601 · 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 Sunday. What day of the week will it be after 74 days? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
2. 2.If 27 July is a Saturday, what day of the week is 7 August? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
3. 3.If 9 May is a Sunday, what day of the week is 18 May? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
4. 4.If 1 August is a Tuesday, what day of the week is 10 August? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
5. 5.Today is Friday. What day of the week will it be after 51 days? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
6. 6.Today is Friday. What day of the week will it be after 95 days? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
7. 7.If 8 August is a Monday, what day of the week is 23 August? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
8. 8.If 10 May is a Wednesday, what day of the week is 18 May? (a) Wednesday (b) Thursday (c) Friday (d) Saturday
9. 9.Today is Thursday. What day of the week will it be after 89 days? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
10. 10.If 12 June is a Thursday, what day of the week is 1 July? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday
11. 11.If 11 May is a Monday, what day of the week is 8 June? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
12. 12.If 9 October is a Wednesday, what day of the week is 20 October? (a) Tuesday (b) Monday (c) Sunday (d) Saturday
13. 13.If 6 January is a Friday, what day of the week is 17 January? (a) Tuesday (b) Wednesday (c) Thursday (d) Monday
14. 14.If 3 December is a Sunday, what day of the week is 14 December? (a) Wednesday (b) Thursday (c) Saturday (d) Friday
15. 15.If 6 October is a Sunday, what day of the week is 14 October? (a) Monday (b) Tuesday (c) Sunday (d) Wednesday
16. 16.If 5 August is a Saturday, what day of the week is 19 August? (a) Friday (b) Sunday (c) Monday (d) Saturday
17. 17.If 3 March is a Monday, what day of the week is 13 March? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
18. 18.If 28 April is a Monday, what day of the week is 5 May? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
19. 19.Today is Tuesday. What day of the week will it be after 11 days? (a) Sunday (b) Monday (c) Saturday (d) Friday
20. 20.If 20 August is a Monday, what day of the week is 13 September? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
21. 21.If 15 August is a Monday, what day of the week is 17 September? (a) Friday (b) Sunday (c) Monday (d) Saturday
22. 22.If 23 October is a Tuesday, what day of the week is 19 November? (a) Wednesday (b) Monday (c) Sunday (d) Tuesday
23. 23.Today is Sunday. What day of the week will it be after 80 days? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
24. 24.If 3 October is a Wednesday, what day of the week is 18 October? (a) Saturday (b) Wednesday (c) Friday (d) Thursday
25. 25.If 27 June is a Friday, what day of the week is 14 July? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
26. 26.If 11 May is a Wednesday, what day of the week is 23 May? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
27. 27.If 22 March is a Tuesday, what day of the week is 16 April? (a) Friday (b) Saturday (c) Monday (d) Sunday
28. 28.If 11 April is a Wednesday, what day of the week is 19 May? (a) Friday (b) Monday (c) Sunday (d) Saturday
29. 29.If 7 October is a Wednesday, what day of the week is 16 October? (a) Sunday (b) Saturday (c) Friday (d) Thursday
30. 30.If 15 August is a Sunday, what day of the week is 19 September? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
31. 31.Today is Sunday. What day of the week will it be after 30 days? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
32. 32.If 27 August is a Wednesday, what day of the week is 4 September? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
33. 33.If 11 July is a Saturday, what day of the week is 14 August? (a) Saturday (b) Sunday (c) Thursday (d) Friday
34. 34.If 14 July is a Monday, what day of the week is 30 July? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
35. 35.If 13 August is a Sunday, what day of the week is 23 August? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
36. 36.If 4 October is a Monday, what day of the week is 17 October? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
37. 37.If 23 November is a Monday, what day of the week is 18 December? (a) Saturday (b) Sunday (c) Thursday (d) Friday
38. 38.Today is Saturday. What day of the week will it be after 32 days? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
39. 39.If 14 August is a Thursday, what day of the week is 26 August? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
40. 40.If 4 August is a Tuesday, what day of the week is 15 August? (a) Monday (b) Sunday (c) Saturday (d) Friday

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