Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 414 · 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 9 August is a Monday, what day of the week is 21 August? (a) Friday (b) Sunday (c) Monday (d) Saturday
2. 2.Today is Wednesday. What day of the week will it be after 21 days? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
3. 3.If 15 August is a Thursday, what day of the week is 19 September? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
4. 4.If 11 March is a Monday, what day of the week is 23 March? (a) Saturday (b) Sunday (c) Monday (d) Friday
5. 5.If 9 March is a Wednesday, what day of the week is 23 March? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
6. 6.Today is Sunday. What day of the week will it be after 99 days? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
7. 7.If 1 January is a Friday, what day of the week is 16 January? (a) Monday (b) Sunday (c) Saturday (d) Friday
8. 8.If 13 January is a Sunday, what day of the week is 23 January? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
9. 9.If 9 March is a Sunday, what day of the week is 25 March? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
10. 10.If 14 January is a Monday, what day of the week is 4 February? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
11. 11.If 28 September is a Tuesday, what day of the week is 9 October? (a) Friday (b) Monday (c) Sunday (d) Saturday
12. 12.If 14 March is a Tuesday, what day of the week is 23 March? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
13. 13.Today is Saturday. What day of the week will it be after 90 days? (a) Saturday (b) Thursday (c) Sunday (d) Friday
14. 14.If 12 January is a Sunday, what day of the week is 20 January? (a) Monday (b) Wednesday (c) Sunday (d) Tuesday
15. 15.If 14 January is a Monday, what day of the week is 27 January? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
16. 16.If 14 January is a Thursday, what day of the week is 25 January? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
17. 17.If 14 August is a Wednesday, what day of the week is 28 August? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
18. 18.If 10 July is a Tuesday, what day of the week is 19 July? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
19. 19.Today is Monday. What day of the week will it be after 86 days? (a) Tuesday (b) Thursday (c) Wednesday (d) Friday
20. 20.If 23 August is a Wednesday, what day of the week is 5 September? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
21. 21.If 30 November is a Monday, what day of the week is 12 December? (a) Friday (b) Monday (c) Saturday (d) Sunday
22. 22.If 14 January is a Thursday, what day of the week is 10 February? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
23. 23.If 22 April is a Sunday, what day of the week is 11 May? (a) Saturday (b) Friday (c) Sunday (d) Thursday
24. 24.Today is Thursday. What day of the week will it be after 79 days? (a) Saturday (b) Sunday (c) Friday (d) Monday
25. 25.If 30 March is a Sunday, what day of the week is 6 April? (a) Sunday (b) Tuesday (c) Monday (d) Saturday
26. 26.If 8 December is a Monday, what day of the week is 16 December? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
27. 27.Today is Wednesday. What day of the week will it be after 72 days? (a) Sunday (b) Friday (c) Saturday (d) Thursday
28. 28.Today is Saturday. What day of the week will it be after 76 days? (a) Saturday (b) Sunday (c) Friday (d) Thursday
29. 29.If 12 January is a Saturday, what day of the week is 26 January? (a) Monday (b) Sunday (c) Saturday (d) Friday
30. 30.If 1 August is a Wednesday, what day of the week is 9 August? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
31. 31.If 19 June is a Monday, what day of the week is 1 July? (a) Monday (b) Saturday (c) Friday (d) Sunday
32. 32.If 6 May is a Saturday, what day of the week is 18 May? (a) Thursday (b) Wednesday (c) Friday (d) Saturday
33. 33.If 23 September is a Friday, what day of the week is 1 October? (a) Monday (b) Saturday (c) Friday (d) Sunday
34. 34.Today is Wednesday. What day of the week will it be after 10 days? (a) Monday (b) Friday (c) Sunday (d) Saturday
35. 35.If 12 January is a Monday, what day of the week is 16 February? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
36. 36.Today is Tuesday. What day of the week will it be after 65 days? (a) Thursday (b) Wednesday (c) Saturday (d) Friday
37. 37.Today is Monday. What day of the week will it be after 71 days? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday
38. 38.If 12 July is a Sunday, what day of the week is 13 August? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
39. 39.If 19 July is a Tuesday, what day of the week is 4 August? (a) Thursday (b) Wednesday (c) Saturday (d) Friday
40. 40.If 28 August is a Thursday, what day of the week is 20 September? (a) Friday (b) Monday (c) Saturday (d) Sunday

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