Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 61 · 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 23 March is a Sunday, what day of the week is 1 April? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
2. 2.If 10 July is a Monday, what day of the week is 8 August? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
3. 3.Today is Thursday. What day of the week will it be after 10 days? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
4. 4.If 15 October is a Wednesday, what day of the week is 29 October? (a) Wednesday (b) Friday (c) Thursday (d) Tuesday
5. 5.If 29 November is a Thursday, what day of the week is 4 December? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
6. 6.If 5 August is a Monday, what day of the week is 18 August? (a) Sunday (b) Tuesday (c) Monday (d) Saturday
7. 7.If 25 October is a Tuesday, what day of the week is 12 November? (a) Saturday (b) Friday (c) Monday (d) Sunday
8. 8.If 10 January is a Friday, what day of the week is 26 January? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
9. 9.Today is Monday. What day of the week will it be after 27 days? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
10. 10.If 13 July is a Monday, what day of the week is 23 July? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
11. 11.If 15 August is a Monday, what day of the week is 27 August? (a) Monday (b) Saturday (c) Friday (d) Sunday
12. 12.Today is Tuesday. What day of the week will it be after 59 days? (a) Saturday (b) Sunday (c) Friday (d) Thursday
13. 13.Today is Wednesday. What day of the week will it be after 77 days? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
14. 14.If 12 August is a Wednesday, what day of the week is 20 August? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
15. 15.If 13 November is a Thursday, what day of the week is 4 December? (a) Thursday (b) Wednesday (c) Friday (d) Saturday
16. 16.Today is Wednesday. What day of the week will it be after 59 days? (a) Monday (b) Friday (c) Sunday (d) Saturday
17. 17.If 4 October is a Monday, what day of the week is 13 October? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
18. 18.If 5 May is a Monday, what day of the week is 17 May? (a) Friday (b) Monday (c) Saturday (d) Sunday
19. 19.If 15 August is a Saturday, what day of the week is 24 August? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
20. 20.If 11 August is a Thursday, what day of the week is 17 September? (a) Monday (b) Saturday (c) Friday (d) Sunday
21. 21.If 15 January is a Friday, what day of the week is 28 January? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
22. 22.If 6 October is a Monday, what day of the week is 15 October? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
23. 23.Today is Saturday. What day of the week will it be after 15 days? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
24. 24.Today is Wednesday. What day of the week will it be after 81 days? (a) Monday (b) Sunday (c) Saturday (d) Tuesday
25. 25.If 10 December is a Tuesday, what day of the week is 21 December? (a) Sunday (b) Friday (c) Monday (d) Saturday
26. 26.If 1 December is a Wednesday, what day of the week is 14 December? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
27. 27.If 10 May is a Thursday, what day of the week is 21 May? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
28. 28.If 25 November is a Friday, what day of the week is 8 December? (a) Wednesday (b) Thursday (c) Saturday (d) Friday
29. 29.If 1 May is a Friday, what day of the week is 12 May? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
30. 30.Today is Monday. What day of the week will it be after 100 days? (a) Wednesday (b) Tuesday (c) Friday (d) Thursday
31. 31.If 3 January is a Monday, what day of the week is 12 January? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
32. 32.If 10 July is a Friday, what day of the week is 26 July? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
33. 33.If 7 March is a Tuesday, what day of the week is 22 March? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
34. 34.If 22 June is a Thursday, what day of the week is 4 July? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
35. 35.If 10 July is a Friday, what day of the week is 24 July? (a) Thursday (b) Friday (c) Saturday (d) Sunday
36. 36.If 5 August is a Saturday, what day of the week is 17 August? (a) Friday (b) Thursday (c) Wednesday (d) Saturday
37. 37.Today is Friday. What day of the week will it be after 29 days? (a) Sunday (b) Monday (c) Saturday (d) Friday
38. 38.If 2 March is a Tuesday, what day of the week is 13 March? (a) Saturday (b) Monday (c) Sunday (d) Friday
39. 39.If 26 June is a Sunday, what day of the week is 6 July? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
40. 40.Today is Thursday. What day of the week will it be after 50 days? (a) Saturday (b) Thursday (c) Friday (d) Sunday

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