Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 164 · 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 15 January is a Saturday, what day of the week is 15 February? (a) Tuesday (b) Wednesday (c) Thursday (d) Monday
2. 2.If 31 March is a Tuesday, what day of the week is 5 April? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
3. 3.Today is Friday. What day of the week will it be after 20 days? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
4. 4.If 3 December is a Wednesday, what day of the week is 16 December? (a) Tuesday (b) Thursday (c) Wednesday (d) Monday
5. 5.If 7 January is a Thursday, what day of the week is 18 January? (a) Monday (b) Tuesday (c) Sunday (d) Wednesday
6. 6.Today is Monday. What day of the week will it be after 16 days? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
7. 7.If 10 January is a Thursday, what day of the week is 19 January? (a) Sunday (b) Monday (c) Saturday (d) Friday
8. 8.If 24 April is a Sunday, what day of the week is 16 May? (a) Tuesday (b) Monday (c) Sunday (d) Wednesday
9. 9.Today is Saturday. What day of the week will it be after 57 days? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
10. 10.Today is Thursday. What day of the week will it be after 43 days? (a) Thursday (b) Friday (c) Sunday (d) Saturday
11. 11.If 11 December is a Sunday, what day of the week is 20 December? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
12. 12.If 14 January is a Sunday, what day of the week is 30 January? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
13. 13.If 2 March is a Friday, what day of the week is 15 March? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
14. 14.If 12 January is a Tuesday, what day of the week is 24 January? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
15. 15.If 3 December is a Sunday, what day of the week is 17 December? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
16. 16.Today is Sunday. What day of the week will it be after 28 days? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
17. 17.If 24 October is a Saturday, what day of the week is 6 November? (a) Thursday (b) Sunday (c) Friday (d) Saturday
18. 18.If 12 October is a Tuesday, what day of the week is 8 November? (a) Monday (b) Wednesday (c) Sunday (d) Tuesday
19. 19.If 5 January is a Wednesday, what day of the week is 18 January? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
20. 20.Today is Monday. What day of the week will it be after 18 days? (a) Saturday (b) Sunday (c) Thursday (d) Friday
21. 21.If 1 January is a Tuesday, what day of the week is 12 January? (a) Sunday (b) Monday (c) Saturday (d) Friday
22. 22.Today is Wednesday. What day of the week will it be after 24 days? (a) Sunday (b) Friday (c) Saturday (d) Monday
23. 23.If 11 August is a Sunday, what day of the week is 19 August? (a) Monday (b) Tuesday (c) Sunday (d) Wednesday
24. 24.If 12 August is a Friday, what day of the week is 27 August? (a) Monday (b) Friday (c) Saturday (d) Sunday
25. 25.If 12 March is a Sunday, what day of the week is 23 March? (a) Wednesday (b) Thursday (c) Friday (d) Saturday
26. 26.If 4 August is a Thursday, what day of the week is 20 August? (a) Friday (b) Monday (c) Sunday (d) Saturday
27. 27.Today is Wednesday. What day of the week will it be after 27 days? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
28. 28.If 28 January is a Friday, what day of the week is 7 February? (a) Sunday (b) Monday (c) Tuesday (d) Wednesday
29. 29.If 4 July is a Sunday, what day of the week is 16 July? (a) Sunday (b) Thursday (c) Saturday (d) Friday
30. 30.If 2 December is a Saturday, what day of the week is 17 December? (a) Sunday (b) Saturday (c) Tuesday (d) Monday
31. 31.Today is Monday. What day of the week will it be after 40 days? (a) Sunday (b) Saturday (c) Monday (d) Friday
32. 32.If 4 July is a Wednesday, what day of the week is 13 July? (a) Thursday (b) Sunday (c) Saturday (d) Friday
33. 33.If 5 July is a Thursday, what day of the week is 19 July? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
34. 34.Today is Monday. What day of the week will it be after 26 days? (a) Monday (b) Saturday (c) Sunday (d) Friday
35. 35.If 18 November is a Tuesday, what day of the week is 14 December? (a) Sunday (b) Tuesday (c) Saturday (d) Monday
36. 36.If 1 January is a Saturday, what day of the week is 16 January? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
37. 37.If 9 March is a Saturday, what day of the week is 19 March? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
38. 38.If 3 March is a Saturday, what day of the week is 19 March? (a) Wednesday (b) Monday (c) Tuesday (d) Sunday
39. 39.Today is Sunday. What day of the week will it be after 14 days? (a) Monday (b) Sunday (c) Saturday (d) Tuesday
40. 40.Today is Monday. What day of the week will it be after 27 days? (a) Saturday (b) Tuesday (c) Sunday (d) Monday

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