Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 69 · 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 21 July is a Monday, what day of the week is 14 August? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
2. 2.If 1 August is a Tuesday, what day of the week is 14 August? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
3. 3.If 13 July is a Saturday, what day of the week is 6 August? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
4. 4.If 11 October is a Thursday, what day of the week is 17 November? (a) Friday (b) Sunday (c) Monday (d) Saturday
5. 5.Today is Monday. What day of the week will it be after 62 days? (a) Sunday (b) Monday (c) Saturday (d) Tuesday
6. 6.Today is Saturday. What day of the week will it be after 40 days? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
7. 7.If 10 September is a Sunday, what day of the week is 14 October? (a) Monday (b) Saturday (c) Friday (d) Sunday
8. 8.If 2 March is a Sunday, what day of the week is 11 March? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
9. 9.Today is Thursday. What day of the week will it be after 77 days? (a) Thursday (b) Wednesday (c) Saturday (d) Friday
10. 10.If 9 October is a Friday, what day of the week is 20 October? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
11. 11.Today is Sunday. What day of the week will it be after 23 days? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
12. 12.If 11 June is a Monday, what day of the week is 11 July? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
13. 13.If 20 January is a Thursday, what day of the week is 7 February? (a) Tuesday (b) Monday (c) Sunday (d) Wednesday
14. 14.If 28 July is a Tuesday, what day of the week is 19 August? (a) Wednesday (b) Tuesday (c) Thursday (d) Friday
15. 15.If 2 January is a Wednesday, what day of the week is 17 January? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
16. 16.Today is Wednesday. What day of the week will it be after 92 days? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
17. 17.Today is Friday. What day of the week will it be after 24 days? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
18. 18.Today is Tuesday. What day of the week will it be after 81 days? (a) Sunday (b) Saturday (c) Friday (d) Monday
19. 19.Today is Friday. What day of the week will it be after 69 days? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
20. 20.Today is Tuesday. What day of the week will it be after 33 days? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
21. 21.If 29 March is a Tuesday, what day of the week is 1 April? (a) Friday (b) Saturday (c) Thursday (d) Sunday
22. 22.Today is Friday. What day of the week will it be after 63 days? (a) Sunday (b) Thursday (c) Friday (d) Saturday
23. 23.Today is Thursday. What day of the week will it be after 52 days? (a) Sunday (b) Tuesday (c) Monday (d) Saturday
24. 24.Today is Sunday. What day of the week will it be after 48 days? (a) Sunday (b) Monday (c) Friday (d) Saturday
25. 25.Today is Thursday. What day of the week will it be after 11 days? (a) Monday (b) Wednesday (c) Sunday (d) Tuesday
26. 26.If 6 March is a Thursday, what day of the week is 16 March? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
27. 27.If 14 October is a Wednesday, what day of the week is 3 November? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
28. 28.If 12 May is a Sunday, what day of the week is 26 May? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
29. 29.If 19 October is a Saturday, what day of the week is 15 November? (a) Sunday (b) Thursday (c) Saturday (d) Friday
30. 30.Today is Saturday. What day of the week will it be after 36 days? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
31. 31.If 13 September is a Friday, what day of the week is 2 October? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
32. 32.If 11 December is a Sunday, what day of the week is 21 December? (a) Wednesday (b) Tuesday (c) Friday (d) Thursday
33. 33.Today is Saturday. What day of the week will it be after 95 days? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
34. 34.If 16 November is a Sunday, what day of the week is 16 December? (a) Tuesday (b) Thursday (c) Monday (d) Wednesday
35. 35.If 15 July is a Friday, what day of the week is 31 July? (a) Sunday (b) Saturday (c) Tuesday (d) Monday
36. 36.If 10 May is a Wednesday, what day of the week is 20 May? (a) Friday (b) Monday (c) Saturday (d) Sunday
37. 37.Today is Saturday. What day of the week will it be after 20 days? (a) Friday (b) Sunday (c) Thursday (d) Saturday
38. 38.If 17 July is a Friday, what day of the week is 8 August? (a) Monday (b) Friday (c) Saturday (d) Sunday
39. 39.If 11 December is a Thursday, what day of the week is 21 December? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
40. 40.If 18 October is a Monday, what day of the week is 14 November? (a) Saturday (b) Monday (c) Tuesday (d) Sunday

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