Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 979 · 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.Today is Wednesday. What day of the week will it be after 36 days? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
2. 2.If 13 July is a Thursday, what day of the week is 26 July? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
3. 3.If 10 September is a Sunday, what day of the week is 14 October? (a) Friday (b) Monday (c) Saturday (d) Sunday
4. 4.Today is Sunday. What day of the week will it be after 85 days? (a) Tuesday (b) Wednesday (c) Sunday (d) Monday
5. 5.If 12 May is a Monday, what day of the week is 22 May? (a) Wednesday (b) Thursday (c) Saturday (d) Friday
6. 6.Today is Monday. What day of the week will it be after 13 days? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
7. 7.Today is Sunday. What day of the week will it be after 12 days? (a) Saturday (b) Friday (c) Sunday (d) Thursday
8. 8.If 23 March is a Wednesday, what day of the week is 15 April? (a) Friday (b) Thursday (c) Saturday (d) Sunday
9. 9.If 21 September is a Friday, what day of the week is 4 October? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
10. 10.Today is Wednesday. What day of the week will it be after 29 days? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
11. 11.Today is Saturday. What day of the week will it be after 69 days? (a) Friday (b) Saturday (c) Sunday (d) Thursday
12. 12.Today is Thursday. What day of the week will it be after 42 days? (a) Friday (b) Thursday (c) Wednesday (d) Saturday
13. 13.If 27 November is a Sunday, what day of the week is 4 December? (a) Tuesday (b) Sunday (c) Monday (d) Saturday
14. 14.If 23 October is a Friday, what day of the week is 4 November? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
15. 15.If 15 July is a Thursday, what day of the week is 14 August? (a) Friday (b) Saturday (c) Monday (d) Sunday
16. 16.If 6 March is a Friday, what day of the week is 19 March? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
17. 17.Today is Tuesday. What day of the week will it be after 36 days? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
18. 18.If 1 January is a Tuesday, what day of the week is 16 January? (a) Tuesday (b) Thursday (c) Wednesday (d) Friday
19. 19.Today is Monday. What day of the week will it be after 36 days? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
20. 20.If 25 May is a Friday, what day of the week is 14 June? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
21. 21.If 1 March is a Monday, what day of the week is 14 March? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
22. 22.If 25 March is a Wednesday, what day of the week is 6 April? (a) Tuesday (b) Monday (c) Wednesday (d) Sunday
23. 23.If 17 January is a Monday, what day of the week is 6 February? (a) Tuesday (b) Sunday (c) Saturday (d) Monday
24. 24.If 2 July is a Thursday, what day of the week is 15 July? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
25. 25.If 2 January is a Wednesday, what day of the week is 15 January? (a) Tuesday (b) Monday (c) Wednesday (d) Thursday
26. 26.If 31 May is a Saturday, what day of the week is 20 June? (a) Thursday (b) Friday (c) Saturday (d) Sunday
27. 27.If 10 April is a Friday, what day of the week is 9 May? (a) Sunday (b) Friday (c) Saturday (d) Monday
28. 28.If 6 January is a Wednesday, what day of the week is 16 January? (a) Monday (b) Saturday (c) Sunday (d) Friday
29. 29.Today is Friday. What day of the week will it be after 23 days? (a) Saturday (b) Sunday (c) Monday (d) Tuesday
30. 30.If 6 July is a Tuesday, what day of the week is 14 July? (a) Wednesday (b) Friday (c) Thursday (d) Tuesday
31. 31.If 30 April is a Friday, what day of the week is 4 May? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
32. 32.If 4 March is a Thursday, what day of the week is 18 March? (a) Friday (b) Thursday (c) Wednesday (d) Saturday
33. 33.If 1 August is a Thursday, what day of the week is 12 August? (a) Wednesday (b) Monday (c) Sunday (d) Tuesday
34. 34.If 4 December is a Saturday, what day of the week is 12 December? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
35. 35.Today is Friday. What day of the week will it be after 59 days? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
36. 36.If 3 May is a Saturday, what day of the week is 17 May? (a) Sunday (b) Saturday (c) Monday (d) Friday
37. 37.Today is Wednesday. What day of the week will it be after 61 days? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
38. 38.If 18 October is a Wednesday, what day of the week is 11 November? (a) Sunday (b) Monday (c) Friday (d) Saturday
39. 39.If 6 March is a Tuesday, what day of the week is 14 March? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
40. 40.If 27 January is a Thursday, what day of the week is 2 February? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday

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