Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 851 · 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 August is a Thursday, what day of the week is 13 August? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
2. 2.If 6 May is a Tuesday, what day of the week is 14 May? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
3. 3.If 11 December is a Sunday, what day of the week is 27 December? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
4. 4.If 16 November is a Friday, what day of the week is 3 December? (a) Wednesday (b) Monday (c) Tuesday (d) Sunday
5. 5.Today is Thursday. What day of the week will it be after 92 days? (a) Thursday (b) Friday (c) Saturday (d) Sunday
6. 6.Today is Sunday. What day of the week will it be after 30 days? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
7. 7.If 7 May is a Friday, what day of the week is 22 May? (a) Friday (b) Saturday (c) Sunday (d) Monday
8. 8.Today is Friday. What day of the week will it be after 40 days? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
9. 9.If 16 October is a Saturday, what day of the week is 15 November? (a) Tuesday (b) Monday (c) Wednesday (d) Sunday
10. 10.Today is Friday. What day of the week will it be after 88 days? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
11. 11.If 7 January is a Thursday, what day of the week is 20 January? (a) Wednesday (b) Friday (c) Thursday (d) Tuesday
12. 12.Today is Sunday. What day of the week will it be after 63 days? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
13. 13.Today is Monday. What day of the week will it be after 14 days? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
14. 14.Today is Saturday. What day of the week will it be after 71 days? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
15. 15.If 20 April is a Friday, what day of the week is 8 May? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
16. 16.If 13 August is a Thursday, what day of the week is 21 August? (a) Thursday (b) Saturday (c) Sunday (d) Friday
17. 17.If 4 January is a Sunday, what day of the week is 15 January? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
18. 18.If 13 April is a Monday, what day of the week is 4 May? (a) Monday (b) Wednesday (c) Tuesday (d) Sunday
19. 19.If 3 August is a Monday, what day of the week is 18 August? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
20. 20.If 12 August is a Thursday, what day of the week is 25 August? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
21. 21.If 10 August is a Saturday, what day of the week is 21 August? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
22. 22.If 3 October is a Thursday, what day of the week is 19 October? (a) Monday (b) Friday (c) Saturday (d) Sunday
23. 23.If 10 January is a Saturday, what day of the week is 4 February? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
24. 24.If 12 July is a Friday, what day of the week is 28 July? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
25. 25.If 15 August is a Monday, what day of the week is 30 August? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
26. 26.If 14 September is a Wednesday, what day of the week is 12 October? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
27. 27.If 31 March is a Tuesday, what day of the week is 14 April? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
28. 28.If 6 August is a Thursday, what day of the week is 16 August? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
29. 29.Today is Wednesday. What day of the week will it be after 51 days? (a) Saturday (b) Sunday (c) Friday (d) Thursday
30. 30.If 9 July is a Monday, what day of the week is 18 July? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
31. 31.If 14 July is a Monday, what day of the week is 2 August? (a) Monday (b) Sunday (c) Saturday (d) Friday
32. 32.If 4 July is a Tuesday, what day of the week is 13 July? (a) Thursday (b) Friday (c) Saturday (d) Wednesday
33. 33.If 6 August is a Monday, what day of the week is 18 August? (a) Saturday (b) Monday (c) Friday (d) Sunday
34. 34.If 25 October is a Sunday, what day of the week is 11 November? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
35. 35.Today is Friday. What day of the week will it be after 44 days? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
36. 36.If 16 March is a Sunday, what day of the week is 14 April? (a) Tuesday (b) Monday (c) Wednesday (d) Sunday
37. 37.If 27 May is a Wednesday, what day of the week is 13 June? (a) Monday (b) Sunday (c) Friday (d) Saturday
38. 38.If 14 January is a Friday, what day of the week is 27 January? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
39. 39.Today is Thursday. What day of the week will it be after 73 days? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
40. 40.Today is Monday. What day of the week will it be after 86 days? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday

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