Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 386 · 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 17 January is a Tuesday, what day of the week is 17 February? (a) Sunday (b) Saturday (c) Friday (d) Thursday
2. 2.If 30 July is a Thursday, what day of the week is 17 August? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
3. 3.If 14 March is a Saturday, what day of the week is 29 March? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
4. 4.If 10 October is a Wednesday, what day of the week is 21 October? (a) Sunday (b) Monday (c) Tuesday (d) Saturday
5. 5.Today is Sunday. What day of the week will it be after 27 days? (a) Saturday (b) Sunday (c) Monday (d) Friday
6. 6.If 14 June is a Tuesday, what day of the week is 18 July? (a) Tuesday (b) Monday (c) Wednesday (d) Sunday
7. 7.If 9 August is a Thursday, what day of the week is 20 August? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
8. 8.If 8 May is a Tuesday, what day of the week is 18 May? (a) Friday (b) Sunday (c) Thursday (d) Saturday
9. 9.If 27 June is a Monday, what day of the week is 12 July? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
10. 10.If 13 January is a Tuesday, what day of the week is 26 January? (a) Wednesday (b) Monday (c) Sunday (d) Tuesday
11. 11.If 10 November is a Thursday, what day of the week is 16 December? (a) Thursday (b) Friday (c) Sunday (d) Saturday
12. 12.If 12 January is a Tuesday, what day of the week is 27 January? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
13. 13.Today is Friday. What day of the week will it be after 93 days? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
14. 14.Today is Tuesday. What day of the week will it be after 28 days? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
15. 15.Today is Sunday. What day of the week will it be after 30 days? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
16. 16.If 8 August is a Monday, what day of the week is 16 August? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
17. 17.If 9 July is a Sunday, what day of the week is 19 July? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
18. 18.If 2 December is a Saturday, what day of the week is 14 December? (a) Friday (b) Thursday (c) Wednesday (d) Saturday
19. 19.If 6 October is a Sunday, what day of the week is 19 October? (a) Saturday (b) Sunday (c) Monday (d) Friday
20. 20.If 1 October is a Monday, what day of the week is 16 October? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
21. 21.If 13 January is a Saturday, what day of the week is 20 February? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
22. 22.If 22 July is a Wednesday, what day of the week is 15 August? (a) Sunday (b) Friday (c) Saturday (d) Monday
23. 23.If 10 January is a Thursday, what day of the week is 19 January? (a) Sunday (b) Monday (c) Saturday (d) Friday
24. 24.Today is Monday. What day of the week will it be after 43 days? (a) Tuesday (b) Wednesday (c) Thursday (d) Monday
25. 25.If 9 March is a Friday, what day of the week is 19 March? (a) Monday (b) Sunday (c) Tuesday (d) Wednesday
26. 26.Today is Tuesday. What day of the week will it be after 54 days? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
27. 27.If 13 July is a Friday, what day of the week is 21 July? (a) Sunday (b) Monday (c) Saturday (d) Friday
28. 28.Today is Saturday. What day of the week will it be after 81 days? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
29. 29.Today is Wednesday. What day of the week will it be after 43 days? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
30. 30.If 4 October is a Wednesday, what day of the week is 17 October? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
31. 31.Today is Monday. What day of the week will it be after 58 days? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
32. 32.If 18 October is a Saturday, what day of the week is 16 November? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
33. 33.Today is Sunday. What day of the week will it be after 84 days? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
34. 34.If 18 November is a Monday, what day of the week is 6 December? (a) Sunday (b) Saturday (c) Friday (d) Thursday
35. 35.If 15 April is a Monday, what day of the week is 10 May? (a) Sunday (b) Thursday (c) Friday (d) Saturday
36. 36.If 6 March is a Monday, what day of the week is 16 March? (a) Thursday (b) Wednesday (c) Friday (d) Saturday
37. 37.Today is Monday. What day of the week will it be after 76 days? (a) Tuesday (b) Monday (c) Sunday (d) Saturday
38. 38.Today is Saturday. What day of the week will it be after 65 days? (a) Monday (b) Wednesday (c) Sunday (d) Tuesday
39. 39.If 4 October is a Tuesday, what day of the week is 20 October? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
40. 40.Today is Friday. What day of the week will it be after 86 days? (a) Saturday (b) Monday (c) Tuesday (d) Sunday

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