Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 845 · 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 2 October is a Thursday, what day of the week is 11 October? (a) Monday (b) Friday (c) Saturday (d) Sunday
2. 2.If 15 July is a Saturday, what day of the week is 24 July? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
3. 3.If 9 October is a Saturday, what day of the week is 25 October? (a) Monday (b) Wednesday (c) Tuesday (d) Sunday
4. 4.Today is Friday. What day of the week will it be after 43 days? (a) Sunday (b) Friday (c) Monday (d) Saturday
5. 5.Today is Thursday. What day of the week will it be after 43 days? (a) Saturday (b) Thursday (c) Sunday (d) Friday
6. 6.If 3 January is a Friday, what day of the week is 11 January? (a) Friday (b) Saturday (c) Sunday (d) Monday
7. 7.If 29 April is a Thursday, what day of the week is 19 May? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
8. 8.If 26 July is a Wednesday, what day of the week is 15 August? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
9. 9.If 15 May is a Wednesday, what day of the week is 30 May? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
10. 10.If 19 January is a Saturday, what day of the week is 1 February? (a) Sunday (b) Friday (c) Saturday (d) Thursday
11. 11.If 9 May is a Sunday, what day of the week is 21 May? (a) Friday (b) Sunday (c) Saturday (d) Thursday
12. 12.If 14 September is a Friday, what day of the week is 4 October? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
13. 13.If 9 January is a Wednesday, what day of the week is 19 January? (a) Sunday (b) Friday (c) Monday (d) Saturday
14. 14.Today is Sunday. What day of the week will it be after 70 days? (a) Monday (b) Sunday (c) Tuesday (d) Saturday
15. 15.Today is Friday. What day of the week will it be after 22 days? (a) Monday (b) Saturday (c) Sunday (d) Friday
16. 16.If 26 May is a Tuesday, what day of the week is 4 June? (a) Thursday (b) Wednesday (c) Friday (d) Saturday
17. 17.If 7 January is a Thursday, what day of the week is 16 January? (a) Sunday (b) Saturday (c) Friday (d) Monday
18. 18.If 14 December is a Friday, what day of the week is 28 December? (a) Sunday (b) Thursday (c) Saturday (d) Friday
19. 19.Today is Tuesday. What day of the week will it be after 50 days? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
20. 20.Today is Tuesday. What day of the week will it be after 40 days? (a) Sunday (b) Saturday (c) Tuesday (d) Monday
21. 21.If 11 July is a Thursday, what day of the week is 24 July? (a) Wednesday (b) Tuesday (c) Thursday (d) Friday
22. 22.If 30 November is a Tuesday, what day of the week is 20 December? (a) Monday (b) Wednesday (c) Tuesday (d) Sunday
23. 23.If 15 January is a Thursday, what day of the week is 27 January? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
24. 24.Today is Tuesday. What day of the week will it be after 10 days? (a) Sunday (b) Saturday (c) Friday (d) Thursday
25. 25.If 15 March is a Tuesday, what day of the week is 31 March? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
26. 26.If 21 August is a Wednesday, what day of the week is 7 September? (a) Monday (b) Saturday (c) Friday (d) Sunday
27. 27.If 15 June is a Tuesday, what day of the week is 11 July? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
28. 28.If 12 July is a Sunday, what day of the week is 23 July? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
29. 29.If 20 August is a Wednesday, what day of the week is 14 September? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
30. 30.Today is Wednesday. What day of the week will it be after 95 days? (a) Tuesday (b) Monday (c) Sunday (d) Saturday
31. 31.Today is Monday. What day of the week will it be after 91 days? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
32. 32.If 14 March is a Tuesday, what day of the week is 30 March? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
33. 33.If 14 October is a Friday, what day of the week is 8 November? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
34. 34.Today is Sunday. What day of the week will it be after 27 days? (a) Monday (b) Friday (c) Sunday (d) Saturday
35. 35.Today is Tuesday. What day of the week will it be after 11 days? (a) Friday (b) Monday (c) Sunday (d) Saturday
36. 36.If 6 October is a Monday, what day of the week is 19 October? (a) Sunday (b) Monday (c) Tuesday (d) Saturday
37. 37.If 7 August is a Saturday, what day of the week is 17 August? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
38. 38.If 9 March is a Saturday, what day of the week is 21 March? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
39. 39.Today is Friday. What day of the week will it be after 85 days? (a) Monday (b) Friday (c) Sunday (d) Saturday
40. 40.Today is Sunday. What day of the week will it be after 72 days? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday

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