Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 254 · 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.Today is Sunday. What day of the week will it be after 29 days? (a) Wednesday (b) Monday (c) Sunday (d) Tuesday
2. 2.Today is Tuesday. What day of the week will it be after 68 days? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
3. 3.Today is Friday. What day of the week will it be after 23 days? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
4. 4.If 25 March is a Monday, what day of the week is 10 April? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
5. 5.If 11 September is a Monday, what day of the week is 9 October? (a) Wednesday (b) Monday (c) Tuesday (d) Sunday
6. 6.Today is Monday. What day of the week will it be after 43 days? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
7. 7.If 20 July is a Thursday, what day of the week is 2 August? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
8. 8.If 26 January is a Sunday, what day of the week is 6 February? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
9. 9.If 11 October is a Tuesday, what day of the week is 16 November? (a) Wednesday (b) Thursday (c) Tuesday (d) Friday
10. 10.Today is Sunday. What day of the week will it be after 85 days? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
11. 11.If 4 March is a Sunday, what day of the week is 15 March? (a) Saturday (b) Wednesday (c) Friday (d) Thursday
12. 12.If 13 December is a Saturday, what day of the week is 25 December? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
13. 13.If 30 May is a Thursday, what day of the week is 15 June? (a) Sunday (b) Friday (c) Saturday (d) Monday
14. 14.If 3 March is a Saturday, what day of the week is 13 March? (a) Wednesday (b) Tuesday (c) Thursday (d) Monday
15. 15.If 3 December is a Friday, what day of the week is 12 December? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
16. 16.If 9 August is a Tuesday, what day of the week is 20 August? (a) Monday (b) Sunday (c) Saturday (d) Friday
17. 17.If 9 August is a Wednesday, what day of the week is 23 August? (a) Wednesday (b) Tuesday (c) Thursday (d) Friday
18. 18.If 21 June is a Friday, what day of the week is 19 July? (a) Friday (b) Saturday (c) Thursday (d) Sunday
19. 19.If 15 January is a Saturday, what day of the week is 16 February? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
20. 20.If 4 January is a Saturday, what day of the week is 16 January? (a) Friday (b) Thursday (c) Wednesday (d) Saturday
21. 21.Today is Thursday. What day of the week will it be after 64 days? (a) Friday (b) Saturday (c) Sunday (d) Thursday
22. 22.Today is Tuesday. What day of the week will it be after 31 days? (a) Sunday (b) Friday (c) Thursday (d) Saturday
23. 23.If 2 March is a Saturday, what day of the week is 13 March? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
24. 24.If 5 January is a Friday, what day of the week is 20 January? (a) Sunday (b) Monday (c) Friday (d) Saturday
25. 25.If 27 March is a Thursday, what day of the week is 1 April? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
26. 26.If 21 January is a Monday, what day of the week is 15 February? (a) Saturday (b) Thursday (c) Friday (d) Sunday
27. 27.If 14 July is a Saturday, what day of the week is 27 July? (a) Thursday (b) Sunday (c) Saturday (d) Friday
28. 28.Today is Monday. What day of the week will it be after 96 days? (a) Monday (b) Friday (c) Sunday (d) Saturday
29. 29.If 3 May is a Monday, what day of the week is 12 May? (a) Wednesday (b) Friday (c) Thursday (d) Tuesday
30. 30.If 10 December is a Friday, what day of the week is 20 December? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
31. 31.If 8 December is a Thursday, what day of the week is 18 December? (a) Sunday (b) Tuesday (c) Saturday (d) Monday
32. 32.If 10 July is a Saturday, what day of the week is 4 August? (a) Wednesday (b) Tuesday (c) Friday (d) Thursday
33. 33.If 4 January is a Tuesday, what day of the week is 15 January? (a) Monday (b) Saturday (c) Friday (d) Sunday
34. 34.Today is Thursday. What day of the week will it be after 38 days? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
35. 35.If 7 December is a Wednesday, what day of the week is 17 December? (a) Monday (b) Friday (c) Saturday (d) Sunday
36. 36.Today is Sunday. What day of the week will it be after 23 days? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday
37. 37.If 17 June is a Monday, what day of the week is 9 July? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
38. 38.Today is Monday. What day of the week will it be after 11 days? (a) Sunday (b) Thursday (c) Saturday (d) Friday
39. 39.Today is Tuesday. What day of the week will it be after 90 days? (a) Tuesday (b) Monday (c) Wednesday (d) Sunday
40. 40.If 12 June is a Saturday, what day of the week is 6 July? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday

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