Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 107 · 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 December is a Saturday, what day of the week is 10 December? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
2. 2.If 22 July is a Saturday, what day of the week is 6 August? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
3. 3.If 9 January is a Friday, what day of the week is 21 January? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
4. 4.If 7 March is a Wednesday, what day of the week is 18 March? (a) Saturday (b) Sunday (c) Monday (d) Tuesday
5. 5.Today is Saturday. What day of the week will it be after 99 days? (a) Tuesday (b) Sunday (c) Monday (d) Saturday
6. 6.If 11 November is a Saturday, what day of the week is 1 December? (a) Saturday (b) Sunday (c) Thursday (d) Friday
7. 7.If 5 August is a Wednesday, what day of the week is 18 August? (a) Tuesday (b) Wednesday (c) Monday (d) Thursday
8. 8.Today is Thursday. What day of the week will it be after 36 days? (a) Sunday (b) Thursday (c) Saturday (d) Friday
9. 9.If 26 August is a Sunday, what day of the week is 4 September? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
10. 10.If 15 May is a Monday, what day of the week is 24 May? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
11. 11.Today is Tuesday. What day of the week will it be after 14 days? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
12. 12.If 13 January is a Friday, what day of the week is 2 February? (a) Wednesday (b) Thursday (c) Saturday (d) Friday
13. 13.If 4 December is a Thursday, what day of the week is 14 December? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
14. 14.If 5 July is a Wednesday, what day of the week is 15 July? (a) Friday (b) Saturday (c) Monday (d) Sunday
15. 15.If 22 January is a Friday, what day of the week is 19 February? (a) Saturday (b) Sunday (c) Friday (d) Thursday
16. 16.Today is Sunday. What day of the week will it be after 49 days? (a) Sunday (b) Saturday (c) Tuesday (d) Monday
17. 17.If 13 August is a Monday, what day of the week is 22 August? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
18. 18.If 17 November is a Friday, what day of the week is 6 December? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
19. 19.If 14 January is a Saturday, what day of the week is 27 January? (a) Sunday (b) Friday (c) Thursday (d) Saturday
20. 20.Today is Tuesday. What day of the week will it be after 31 days? (a) Saturday (b) Friday (c) Thursday (d) Sunday
21. 21.If 13 October is a Monday, what day of the week is 15 November? (a) Saturday (b) Monday (c) Friday (d) Sunday
22. 22.If 20 October is a Friday, what day of the week is 10 November? (a) Sunday (b) Thursday (c) Saturday (d) Friday
23. 23.If 5 January is a Friday, what day of the week is 17 January? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
24. 24.If 18 January is a Friday, what day of the week is 6 February? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
25. 25.If 2 August is a Thursday, what day of the week is 17 August? (a) Saturday (b) Sunday (c) Thursday (d) Friday
26. 26.If 10 December is a Monday, what day of the week is 19 December? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
27. 27.If 3 March is a Thursday, what day of the week is 12 March? (a) Sunday (b) Saturday (c) Monday (d) Friday
28. 28.Today is Tuesday. What day of the week will it be after 51 days? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
29. 29.If 11 May is a Friday, what day of the week is 13 June? (a) Wednesday (b) Tuesday (c) Friday (d) Thursday
30. 30.If 3 May is a Thursday, what day of the week is 13 May? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
31. 31.Today is Friday. What day of the week will it be after 33 days? (a) Tuesday (b) Thursday (c) Wednesday (d) Friday
32. 32.Today is Sunday. What day of the week will it be after 61 days? (a) Thursday (b) Saturday (c) Friday (d) Sunday
33. 33.If 12 October is a Tuesday, what day of the week is 24 October? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
34. 34.Today is Saturday. What day of the week will it be after 86 days? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
35. 35.If 8 August is a Thursday, what day of the week is 22 August? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
36. 36.If 4 August is a Friday, what day of the week is 15 August? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
37. 37.Today is Friday. What day of the week will it be after 16 days? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
38. 38.If 1 July is a Thursday, what day of the week is 15 July? (a) Thursday (b) Saturday (c) Friday (d) Wednesday
39. 39.If 7 October is a Monday, what day of the week is 17 October? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
40. 40.If 14 December is a Wednesday, what day of the week is 28 December? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday

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