Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 179 · 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 11 January is a Sunday, what day of the week is 22 January? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
2. 2.If 3 March is a Friday, what day of the week is 14 March? (a) Tuesday (b) Wednesday (c) Thursday (d) Monday
3. 3.Today is Friday. What day of the week will it be after 67 days? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
4. 4.If 11 July is a Wednesday, what day of the week is 8 August? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
5. 5.If 4 December is a Tuesday, what day of the week is 16 December? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
6. 6.If 15 January is a Friday, what day of the week is 30 January? (a) Sunday (b) Monday (c) Friday (d) Saturday
7. 7.If 15 September is a Sunday, what day of the week is 17 October? (a) Wednesday (b) Thursday (c) Saturday (d) Friday
8. 8.If 18 July is a Saturday, what day of the week is 3 August? (a) Monday (b) Tuesday (c) Sunday (d) Wednesday
9. 9.If 13 October is a Sunday, what day of the week is 11 November? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
10. 10.If 17 April is a Thursday, what day of the week is 19 May? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
11. 11.If 3 October is a Tuesday, what day of the week is 11 October? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
12. 12.Today is Wednesday. What day of the week will it be after 85 days? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
13. 13.If 9 August is a Saturday, what day of the week is 23 August? (a) Friday (b) Sunday (c) Saturday (d) Monday
14. 14.If 8 October is a Wednesday, what day of the week is 22 October? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
15. 15.If 5 May is a Tuesday, what day of the week is 18 May? (a) Monday (b) Wednesday (c) Tuesday (d) Sunday
16. 16.If 6 December is a Wednesday, what day of the week is 16 December? (a) Friday (b) Saturday (c) Monday (d) Sunday
17. 17.Today is Thursday. What day of the week will it be after 75 days? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
18. 18.Today is Wednesday. What day of the week will it be after 46 days? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
19. 19.Today is Thursday. What day of the week will it be after 78 days? (a) Sunday (b) Friday (c) Saturday (d) Thursday
20. 20.If 7 May is a Sunday, what day of the week is 23 May? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
21. 21.If 18 January is a Saturday, what day of the week is 16 February? (a) Saturday (b) Sunday (c) Monday (d) Tuesday
22. 22.If 4 October is a Friday, what day of the week is 16 October? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
23. 23.If 20 October is a Monday, what day of the week is 19 November? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
24. 24.Today is Wednesday. What day of the week will it be after 30 days? (a) Sunday (b) Friday (c) Thursday (d) Saturday
25. 25.If 4 May is a Wednesday, what day of the week is 17 May? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
26. 26.If 10 September is a Thursday, what day of the week is 11 October? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
27. 27.If 3 October is a Friday, what day of the week is 15 October? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
28. 28.Today is Thursday. What day of the week will it be after 14 days? (a) Thursday (b) Saturday (c) Wednesday (d) Friday
29. 29.Today is Saturday. What day of the week will it be after 92 days? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
30. 30.If 27 October is a Sunday, what day of the week is 15 November? (a) Friday (b) Thursday (c) Saturday (d) Sunday
31. 31.If 18 March is a Monday, what day of the week is 1 April? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
32. 32.If 27 November is a Wednesday, what day of the week is 15 December? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
33. 33.If 7 January is a Saturday, what day of the week is 17 January? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
34. 34.If 16 October is a Saturday, what day of the week is 10 November? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
35. 35.If 3 July is a Monday, what day of the week is 19 July? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
36. 36.Today is Monday. What day of the week will it be after 49 days? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
37. 37.Today is Friday. What day of the week will it be after 25 days? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
38. 38.If 23 September is a Sunday, what day of the week is 4 October? (a) Thursday (b) Saturday (c) Wednesday (d) Friday
39. 39.Today is Tuesday. What day of the week will it be after 90 days? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
40. 40.If 5 October is a Friday, what day of the week is 20 October? (a) Friday (b) Saturday (c) Sunday (d) Monday

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