Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 261 · 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 10 October is a Saturday, what day of the week is 18 October? (a) Sunday (b) Saturday (c) Monday (d) Tuesday
2. 2.If 15 January is a Thursday, what day of the week is 28 January? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
3. 3.If 10 October is a Thursday, what day of the week is 16 November? (a) Monday (b) Sunday (c) Friday (d) Saturday
4. 4.Today is Wednesday. What day of the week will it be after 30 days? (a) Thursday (b) Sunday (c) Saturday (d) Friday
5. 5.If 3 March is a Friday, what day of the week is 15 March? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
6. 6.If 21 March is a Friday, what day of the week is 3 April? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
7. 7.If 7 January is a Friday, what day of the week is 17 January? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
8. 8.If 8 August is a Monday, what day of the week is 20 August? (a) Monday (b) Friday (c) Sunday (d) Saturday
9. 9.If 14 March is a Thursday, what day of the week is 28 March? (a) Wednesday (b) Thursday (c) Saturday (d) Friday
10. 10.If 28 August is a Wednesday, what day of the week is 6 September? (a) Thursday (b) Saturday (c) Friday (d) Sunday
11. 11.If 12 August is a Thursday, what day of the week is 23 August? (a) Wednesday (b) Monday (c) Tuesday (d) Sunday
12. 12.Today is Sunday. What day of the week will it be after 85 days? (a) Monday (b) Wednesday (c) Sunday (d) Tuesday
13. 13.If 10 January is a Wednesday, what day of the week is 4 February? (a) Tuesday (b) Sunday (c) Monday (d) Saturday
14. 14.Today is Sunday. What day of the week will it be after 84 days? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
15. 15.If 18 March is a Thursday, what day of the week is 15 April? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
16. 16.If 23 March is a Sunday, what day of the week is 8 April? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday
17. 17.If 5 July is a Wednesday, what day of the week is 15 July? (a) Friday (b) Monday (c) Saturday (d) Sunday
18. 18.If 12 April is a Friday, what day of the week is 11 May? (a) Monday (b) Friday (c) Sunday (d) Saturday
19. 19.If 19 July is a Tuesday, what day of the week is 10 August? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
20. 20.If 17 August is a Friday, what day of the week is 1 September? (a) Monday (b) Sunday (c) Friday (d) Saturday
21. 21.Today is Monday. What day of the week will it be after 66 days? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
22. 22.If 16 March is a Tuesday, what day of the week is 5 April? (a) Monday (b) Sunday (c) Tuesday (d) Wednesday
23. 23.Today is Saturday. What day of the week will it be after 24 days? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
24. 24.If 15 January is a Monday, what day of the week is 23 January? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
25. 25.If 8 July is a Friday, what day of the week is 16 July? (a) Friday (b) Sunday (c) Saturday (d) Monday
26. 26.Today is Monday. What day of the week will it be after 93 days? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
27. 27.If 3 January is a Sunday, what day of the week is 17 January? (a) Tuesday (b) Sunday (c) Monday (d) Saturday
28. 28.If 11 May is a Wednesday, what day of the week is 20 June? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
29. 29.If 27 September is a Sunday, what day of the week is 9 October? (a) Thursday (b) Saturday (c) Sunday (d) Friday
30. 30.If 3 March is a Tuesday, what day of the week is 19 March? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
31. 31.If 27 January is a Monday, what day of the week is 2 February? (a) Sunday (b) Tuesday (c) Saturday (d) Monday
32. 32.If 22 November is a Friday, what day of the week is 3 December? (a) Tuesday (b) Monday (c) Wednesday (d) Thursday
33. 33.If 8 July is a Tuesday, what day of the week is 24 July? (a) Friday (b) Thursday (c) Wednesday (d) Saturday
34. 34.If 1 March is a Thursday, what day of the week is 17 March? (a) Monday (b) Saturday (c) Sunday (d) Friday
35. 35.If 11 November is a Tuesday, what day of the week is 12 December? (a) Sunday (b) Thursday (c) Saturday (d) Friday
36. 36.If 15 March is a Monday, what day of the week is 25 March? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
37. 37.Today is Friday. What day of the week will it be after 97 days? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
38. 38.If 24 April is a Tuesday, what day of the week is 8 May? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
39. 39.If 3 May is a Monday, what day of the week is 13 May? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
40. 40.If 15 November is a Tuesday, what day of the week is 12 December? (a) Tuesday (b) Monday (c) Sunday (d) Wednesday

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