Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 400 · 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 16 November is a Thursday, what day of the week is 10 December? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
2. 2.Today is Wednesday. What day of the week will it be after 18 days? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
3. 3.If 1 October is a Monday, what day of the week is 17 October? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
4. 4.If 16 June is a Monday, what day of the week is 4 July? (a) Thursday (b) Sunday (c) Friday (d) Saturday
5. 5.If 1 July is a Sunday, what day of the week is 17 July? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
6. 6.If 4 October is a Thursday, what day of the week is 14 October? (a) Monday (b) Sunday (c) Tuesday (d) Saturday
7. 7.If 21 June is a Wednesday, what day of the week is 6 July? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
8. 8.If 14 July is a Thursday, what day of the week is 30 July? (a) Monday (b) Saturday (c) Friday (d) Sunday
9. 9.If 10 July is a Saturday, what day of the week is 14 August? (a) Sunday (b) Monday (c) Friday (d) Saturday
10. 10.If 11 March is a Sunday, what day of the week is 14 April? (a) Friday (b) Monday (c) Saturday (d) Sunday
11. 11.If 10 January is a Wednesday, what day of the week is 26 January? (a) Saturday (b) Sunday (c) Thursday (d) Friday
12. 12.If 1 August is a Thursday, what day of the week is 13 August? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
13. 13.If 9 October is a Monday, what day of the week is 22 October? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
14. 14.If 5 May is a Saturday, what day of the week is 17 May? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
15. 15.If 10 July is a Tuesday, what day of the week is 18 July? (a) Wednesday (b) Tuesday (c) Friday (d) Thursday
16. 16.If 25 June is a Saturday, what day of the week is 19 July? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
17. 17.If 15 January is a Sunday, what day of the week is 20 February? (a) Tuesday (b) Monday (c) Sunday (d) Wednesday
18. 18.If 12 March is a Sunday, what day of the week is 20 March? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
19. 19.If 30 June is a Sunday, what day of the week is 12 July? (a) Saturday (b) Thursday (c) Sunday (d) Friday
20. 20.If 10 August is a Wednesday, what day of the week is 23 August? (a) Tuesday (b) Wednesday (c) Monday (d) Thursday
21. 21.If 14 November is a Thursday, what day of the week is 18 December? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
22. 22.If 15 August is a Tuesday, what day of the week is 27 August? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
23. 23.If 8 December is a Friday, what day of the week is 19 December? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
24. 24.If 13 August is a Monday, what day of the week is 22 August? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
25. 25.Today is Saturday. What day of the week will it be after 93 days? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
26. 26.Today is Monday. What day of the week will it be after 87 days? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
27. 27.If 24 March is a Tuesday, what day of the week is 17 April? (a) Saturday (b) Friday (c) Sunday (d) Thursday
28. 28.If 6 January is a Thursday, what day of the week is 20 January? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
29. 29.If 10 May is a Saturday, what day of the week is 5 June? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
30. 30.Today is Tuesday. What day of the week will it be after 57 days? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
31. 31.If 16 March is a Sunday, what day of the week is 7 April? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
32. 32.If 10 July is a Sunday, what day of the week is 24 July? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
33. 33.Today is Thursday. What day of the week will it be after 85 days? (a) Sunday (b) Friday (c) Thursday (d) Saturday
34. 34.If 1 December is a Tuesday, what day of the week is 16 December? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
35. 35.If 4 August is a Monday, what day of the week is 17 August? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
36. 36.If 24 May is a Tuesday, what day of the week is 14 June? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
37. 37.If 20 April is a Monday, what day of the week is 4 May? (a) Wednesday (b) Tuesday (c) Monday (d) Sunday
38. 38.If 13 July is a Friday, what day of the week is 22 July? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
39. 39.If 26 January is a Thursday, what day of the week is 14 February? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
40. 40.If 8 August is a Monday, what day of the week is 18 August? (a) Wednesday (b) Thursday (c) Friday (d) Saturday

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