Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 846 · 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 15 September is a Saturday, what day of the week is 2 October? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
2. 2.If 15 October is a Wednesday, what day of the week is 29 October? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
3. 3.Today is Sunday. What day of the week will it be after 31 days? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
4. 4.If 11 January is a Wednesday, what day of the week is 7 February? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
5. 5.If 12 December is a Sunday, what day of the week is 21 December? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
6. 6.If 15 July is a Monday, what day of the week is 23 July? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
7. 7.Today is Wednesday. What day of the week will it be after 93 days? (a) Saturday (b) Sunday (c) Friday (d) Thursday
8. 8.If 10 December is a Saturday, what day of the week is 18 December? (a) Sunday (b) Tuesday (c) Saturday (d) Monday
9. 9.If 2 January is a Thursday, what day of the week is 18 January? (a) Friday (b) Monday (c) Sunday (d) Saturday
10. 10.If 14 October is a Saturday, what day of the week is 5 November? (a) Tuesday (b) Sunday (c) Saturday (d) Monday
11. 11.If 25 April is a Tuesday, what day of the week is 9 May? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
12. 12.Today is Thursday. What day of the week will it be after 49 days? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
13. 13.Today is Tuesday. What day of the week will it be after 39 days? (a) Friday (b) Sunday (c) Saturday (d) Monday
14. 14.If 12 January is a Saturday, what day of the week is 22 January? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
15. 15.Today is Wednesday. What day of the week will it be after 30 days? (a) Saturday (b) Sunday (c) Friday (d) Thursday
16. 16.If 14 August is a Saturday, what day of the week is 7 September? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
17. 17.Today is Tuesday. What day of the week will it be after 31 days? (a) Thursday (b) Sunday (c) Friday (d) Saturday
18. 18.If 5 July is a Tuesday, what day of the week is 15 July? (a) Sunday (b) Friday (c) Thursday (d) Saturday
19. 19.Today is Tuesday. What day of the week will it be after 36 days? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
20. 20.If 13 July is a Thursday, what day of the week is 27 July? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
21. 21.If 27 November is a Monday, what day of the week is 11 December? (a) Sunday (b) Monday (c) Tuesday (d) Wednesday
22. 22.If 17 November is a Tuesday, what day of the week is 12 December? (a) Monday (b) Friday (c) Sunday (d) Saturday
23. 23.If 11 July is a Monday, what day of the week is 2 August? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
24. 24.If 24 July is a Tuesday, what day of the week is 10 August? (a) Sunday (b) Friday (c) Thursday (d) Saturday
25. 25.If 20 July is a Sunday, what day of the week is 11 August? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
26. 26.If 18 October is a Wednesday, what day of the week is 19 November? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
27. 27.If 26 November is a Thursday, what day of the week is 20 December? (a) Sunday (b) Tuesday (c) Saturday (d) Monday
28. 28.If 27 March is a Sunday, what day of the week is 20 April? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
29. 29.If 19 May is a Tuesday, what day of the week is 7 June? (a) Sunday (b) Monday (c) Tuesday (d) Saturday
30. 30.Today is Monday. What day of the week will it be after 77 days? (a) Sunday (b) Monday (c) Tuesday (d) Wednesday
31. 31.Today is Friday. What day of the week will it be after 21 days? (a) Thursday (b) Saturday (c) Sunday (d) Friday
32. 32.Today is Thursday. What day of the week will it be after 45 days? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
33. 33.If 11 December is a Saturday, what day of the week is 24 December? (a) Friday (b) Saturday (c) Thursday (d) Sunday
34. 34.If 7 August is a Saturday, what day of the week is 16 August? (a) Tuesday (b) Monday (c) Sunday (d) Wednesday
35. 35.If 5 December is a Wednesday, what day of the week is 15 December? (a) Monday (b) Saturday (c) Sunday (d) Friday
36. 36.If 18 May is a Tuesday, what day of the week is 15 June? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
37. 37.If 18 May is a Friday, what day of the week is 7 June? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
38. 38.Today is Thursday. What day of the week will it be after 19 days? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
39. 39.If 1 December is a Sunday, what day of the week is 15 December? (a) Saturday (b) Sunday (c) Monday (d) Tuesday
40. 40.Today is Saturday. What day of the week will it be after 18 days? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday

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