Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 451 · 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 78 days? (a) Monday (b) Sunday (c) Wednesday (d) Tuesday
2. 2.Today is Friday. What day of the week will it be after 54 days? (a) Wednesday (b) Friday (c) Thursday (d) Tuesday
3. 3.If 22 July is a Saturday, what day of the week is 11 August? (a) Friday (b) Sunday (c) Saturday (d) Thursday
4. 4.Today is Sunday. What day of the week will it be after 70 days? (a) Sunday (b) Saturday (c) Monday (d) Tuesday
5. 5.If 24 June is a Thursday, what day of the week is 5 July? (a) Wednesday (b) Tuesday (c) Monday (d) Sunday
6. 6.If 26 June is a Tuesday, what day of the week is 9 July? (a) Monday (b) Sunday (c) Wednesday (d) Tuesday
7. 7.If 8 March is a Thursday, what day of the week is 17 March? (a) Friday (b) Monday (c) Sunday (d) Saturday
8. 8.If 12 August is a Saturday, what day of the week is 21 August? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
9. 9.If 7 October is a Thursday, what day of the week is 15 October? (a) Friday (b) Thursday (c) Saturday (d) Sunday
10. 10.Today is Sunday. What day of the week will it be after 39 days? (a) Thursday (b) Saturday (c) Friday (d) Wednesday
11. 11.Today is Wednesday. What day of the week will it be after 93 days? (a) Sunday (b) Saturday (c) Thursday (d) Friday
12. 12.If 9 October is a Wednesday, what day of the week is 22 October? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
13. 13.Today is Saturday. What day of the week will it be after 47 days? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
14. 14.If 14 July is a Wednesday, what day of the week is 30 July? (a) Thursday (b) Sunday (c) Friday (d) Saturday
15. 15.If 5 January is a Monday, what day of the week is 14 January? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
16. 16.If 17 June is a Sunday, what day of the week is 6 July? (a) Sunday (b) Friday (c) Saturday (d) Thursday
17. 17.If 12 October is a Tuesday, what day of the week is 1 November? (a) Monday (b) Sunday (c) Wednesday (d) Tuesday
18. 18.If 10 June is a Monday, what day of the week is 7 July? (a) Tuesday (b) Sunday (c) Saturday (d) Monday
19. 19.If 14 March is a Tuesday, what day of the week is 17 April? (a) Wednesday (b) Tuesday (c) Monday (d) Sunday
20. 20.If 11 January is a Thursday, what day of the week is 26 January? (a) Sunday (b) Saturday (c) Friday (d) Thursday
21. 21.If 13 December is a Friday, what day of the week is 21 December? (a) Saturday (b) Friday (c) Sunday (d) Monday
22. 22.If 30 May is a Wednesday, what day of the week is 4 June? (a) Tuesday (b) Wednesday (c) Sunday (d) Monday
23. 23.If 1 December is a Saturday, what day of the week is 10 December? (a) Monday (b) Wednesday (c) Sunday (d) Tuesday
24. 24.If 9 October is a Tuesday, what day of the week is 21 October? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
25. 25.If 1 December is a Wednesday, what day of the week is 9 December? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
26. 26.If 10 October is a Tuesday, what day of the week is 15 November? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
27. 27.If 19 November is a Saturday, what day of the week is 15 December? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
28. 28.If 13 January is a Monday, what day of the week is 21 January? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
29. 29.If 8 January is a Wednesday, what day of the week is 20 January? (a) Tuesday (b) Wednesday (c) Sunday (d) Monday
30. 30.If 12 July is a Saturday, what day of the week is 22 July? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
31. 31.Today is Tuesday. What day of the week will it be after 66 days? (a) Saturday (b) Thursday (c) Sunday (d) Friday
32. 32.If 15 December is a Wednesday, what day of the week is 23 December? (a) Wednesday (b) Thursday (c) Friday (d) Saturday
33. 33.If 13 March is a Wednesday, what day of the week is 29 March? (a) Saturday (b) Thursday (c) Sunday (d) Friday
34. 34.If 6 August is a Monday, what day of the week is 16 August? (a) Thursday (b) Wednesday (c) Friday (d) Saturday
35. 35.If 24 August is a Thursday, what day of the week is 11 September? (a) Tuesday (b) Wednesday (c) Sunday (d) Monday
36. 36.If 12 November is a Monday, what day of the week is 5 December? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
37. 37.Today is Tuesday. What day of the week will it be after 54 days? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
38. 38.Today is Monday. What day of the week will it be after 21 days? (a) Monday (b) Tuesday (c) Sunday (d) Wednesday
39. 39.If 15 May is a Friday, what day of the week is 29 May? (a) Thursday (b) Sunday (c) Saturday (d) Friday
40. 40.Today is Friday. What day of the week will it be after 55 days? (a) Friday (b) Saturday (c) Wednesday (d) Thursday

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