Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 948 · 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 1 October is a Tuesday, what day of the week is 17 October? (a) Thursday (b) Wednesday (c) Friday (d) Saturday
2. 2.If 26 May is a Sunday, what day of the week is 1 June? (a) Saturday (b) Friday (c) Monday (d) Sunday
3. 3.If 15 January is a Friday, what day of the week is 3 February? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
4. 4.If 25 June is a Thursday, what day of the week is 17 July? (a) Thursday (b) Sunday (c) Saturday (d) Friday
5. 5.If 20 July is a Saturday, what day of the week is 12 August? (a) Wednesday (b) Tuesday (c) Monday (d) Sunday
6. 6.Today is Sunday. What day of the week will it be after 23 days? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
7. 7.If 4 January is a Monday, what day of the week is 14 January? (a) Thursday (b) Saturday (c) Wednesday (d) Friday
8. 8.If 1 January is a Thursday, what day of the week is 12 January? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
9. 9.If 12 January is a Saturday, what day of the week is 28 January? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
10. 10.If 7 October is a Friday, what day of the week is 23 October? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
11. 11.Today is Thursday. What day of the week will it be after 11 days? (a) Monday (b) Tuesday (c) Sunday (d) Wednesday
12. 12.If 3 October is a Monday, what day of the week is 13 October? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
13. 13.If 10 October is a Tuesday, what day of the week is 25 October? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
14. 14.If 11 January is a Monday, what day of the week is 20 January? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
15. 15.If 11 October is a Thursday, what day of the week is 21 October? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
16. 16.Today is Sunday. What day of the week will it be after 81 days? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
17. 17.If 18 January is a Thursday, what day of the week is 10 February? (a) Sunday (b) Saturday (c) Monday (d) Friday
18. 18.If 14 August is a Saturday, what day of the week is 27 August? (a) Thursday (b) Friday (c) Sunday (d) Saturday
19. 19.If 13 March is a Tuesday, what day of the week is 23 March? (a) Thursday (b) Sunday (c) Friday (d) Saturday
20. 20.If 1 January is a Sunday, what day of the week is 10 January? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
21. 21.If 1 May is a Thursday, what day of the week is 12 May? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
22. 22.If 5 January is a Friday, what day of the week is 14 January? (a) Tuesday (b) Sunday (c) Monday (d) Saturday
23. 23.If 7 October is a Sunday, what day of the week is 17 October? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
24. 24.If 25 July is a Friday, what day of the week is 14 August? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
25. 25.If 20 September is a Monday, what day of the week is 16 October? (a) Friday (b) Sunday (c) Monday (d) Saturday
26. 26.Today is Tuesday. What day of the week will it be after 30 days? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
27. 27.Today is Monday. What day of the week will it be after 52 days? (a) Thursday (b) Friday (c) Saturday (d) Wednesday
28. 28.If 27 March is a Friday, what day of the week is 1 April? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
29. 29.If 27 July is a Monday, what day of the week is 19 August? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
30. 30.If 7 January is a Saturday, what day of the week is 15 January? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
31. 31.Today is Wednesday. What day of the week will it be after 66 days? (a) Friday (b) Saturday (c) Monday (d) Sunday
32. 32.If 14 July is a Thursday, what day of the week is 24 July? (a) Monday (b) Sunday (c) Saturday (d) Tuesday
33. 33.If 22 November is a Tuesday, what day of the week is 14 December? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
34. 34.If 8 August is a Sunday, what day of the week is 21 August? (a) Sunday (b) Monday (c) Friday (d) Saturday
35. 35.Today is Sunday. What day of the week will it be after 71 days? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
36. 36.If 5 January is a Friday, what day of the week is 18 January? (a) Thursday (b) Wednesday (c) Saturday (d) Friday
37. 37.Today is Wednesday. What day of the week will it be after 67 days? (a) Sunday (b) Monday (c) Tuesday (d) Saturday
38. 38.Today is Monday. What day of the week will it be after 100 days? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
39. 39.If 8 October is a Tuesday, what day of the week is 24 October? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
40. 40.Today is Saturday. What day of the week will it be after 76 days? (a) Thursday (b) Friday (c) Saturday (d) Sunday

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