Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 42 · 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 4 August is a Friday, what day of the week is 15 August? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
2. 2.If 10 June is a Wednesday, what day of the week is 1 July? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
3. 3.Today is Saturday. What day of the week will it be after 47 days? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
4. 4.If 11 July is a Tuesday, what day of the week is 17 August? (a) Thursday (b) Saturday (c) Friday (d) Wednesday
5. 5.If 24 March is a Sunday, what day of the week is 20 April? (a) Saturday (b) Friday (c) Sunday (d) Monday
6. 6.Today is Monday. What day of the week will it be after 25 days? (a) Friday (b) Saturday (c) Thursday (d) Sunday
7. 7.If 23 April is a Monday, what day of the week is 2 May? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
8. 8.If 31 May is a Saturday, what day of the week is 16 June? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
9. 9.If 15 July is a Saturday, what day of the week is 24 July? (a) Tuesday (b) Wednesday (c) Sunday (d) Monday
10. 10.If 7 October is a Wednesday, what day of the week is 16 October? (a) Saturday (b) Sunday (c) Friday (d) Thursday
11. 11.If 3 December is a Thursday, what day of the week is 13 December? (a) Tuesday (b) Sunday (c) Saturday (d) Monday
12. 12.Today is Wednesday. What day of the week will it be after 24 days? (a) Monday (b) Saturday (c) Friday (d) Sunday
13. 13.If 22 May is a Thursday, what day of the week is 16 June? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
14. 14.If 16 January is a Wednesday, what day of the week is 5 February? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
15. 15.If 15 October is a Wednesday, what day of the week is 11 November? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
16. 16.If 7 March is a Friday, what day of the week is 19 March? (a) Wednesday (b) Friday (c) Thursday (d) Tuesday
17. 17.Today is Wednesday. What day of the week will it be after 17 days? (a) Friday (b) Monday (c) Sunday (d) Saturday
18. 18.If 4 May is a Thursday, what day of the week is 20 May? (a) Friday (b) Saturday (c) Monday (d) Sunday
19. 19.If 14 January is a Thursday, what day of the week is 24 January? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
20. 20.If 11 January is a Tuesday, what day of the week is 3 February? (a) Wednesday (b) Thursday (c) Friday (d) Saturday
21. 21.If 7 December is a Wednesday, what day of the week is 22 December? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
22. 22.If 18 July is a Friday, what day of the week is 3 August? (a) Monday (b) Sunday (c) Saturday (d) Tuesday
23. 23.Today is Sunday. What day of the week will it be after 89 days? (a) Sunday (b) Saturday (c) Friday (d) Thursday
24. 24.If 15 January is a Thursday, what day of the week is 26 January? (a) Tuesday (b) Monday (c) Sunday (d) Wednesday
25. 25.If 21 November is a Saturday, what day of the week is 3 December? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
26. 26.Today is Thursday. What day of the week will it be after 17 days? (a) Tuesday (b) Sunday (c) Monday (d) Saturday
27. 27.If 24 October is a Saturday, what day of the week is 8 November? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
28. 28.If 30 January is a Tuesday, what day of the week is 17 February? (a) Sunday (b) Friday (c) Saturday (d) Monday
29. 29.If 20 June is a Sunday, what day of the week is 19 July? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
30. 30.If 1 May is a Saturday, what day of the week is 16 May? (a) Tuesday (b) Sunday (c) Saturday (d) Monday
31. 31.If 3 October is a Saturday, what day of the week is 17 October? (a) Sunday (b) Monday (c) Saturday (d) Friday
32. 32.If 12 January is a Friday, what day of the week is 22 January? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
33. 33.Today is Sunday. What day of the week will it be after 22 days? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
34. 34.Today is Wednesday. What day of the week will it be after 61 days? (a) Wednesday (b) Tuesday (c) Sunday (d) Monday
35. 35.If 13 October is a Saturday, what day of the week is 7 November? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
36. 36.If 6 May is a Wednesday, what day of the week is 18 May? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
37. 37.Today is Monday. What day of the week will it be after 30 days? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
38. 38.If 15 October is a Saturday, what day of the week is 9 November? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
39. 39.Today is Thursday. What day of the week will it be after 80 days? (a) Saturday (b) Sunday (c) Monday (d) Tuesday
40. 40.Today is Wednesday. What day of the week will it be after 85 days? (a) Friday (b) Saturday (c) Thursday (d) Wednesday

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