Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 266 · 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 11 days? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
2. 2.Today is Thursday. What day of the week will it be after 83 days? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
3. 3.If 14 January is a Saturday, what day of the week is 19 February? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
4. 4.If 3 May is a Wednesday, what day of the week is 11 May? (a) Saturday (b) Wednesday (c) Friday (d) Thursday
5. 5.If 24 April is a Wednesday, what day of the week is 1 May? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
6. 6.Today is Sunday. What day of the week will it be after 12 days? (a) Friday (b) Sunday (c) Thursday (d) Saturday
7. 7.If 8 March is a Wednesday, what day of the week is 18 March? (a) Friday (b) Monday (c) Sunday (d) Saturday
8. 8.If 27 March is a Thursday, what day of the week is 3 April? (a) Wednesday (b) Thursday (c) Friday (d) Saturday
9. 9.If 23 May is a Wednesday, what day of the week is 10 June? (a) Sunday (b) Monday (c) Saturday (d) Tuesday
10. 10.If 4 July is a Friday, what day of the week is 15 July? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
11. 11.If 10 November is a Monday, what day of the week is 14 December? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
12. 12.Today is Tuesday. What day of the week will it be after 27 days? (a) Wednesday (b) Monday (c) Tuesday (d) Sunday
13. 13.If 23 August is a Tuesday, what day of the week is 14 September? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
14. 14.If 6 October is a Wednesday, what day of the week is 21 October? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
15. 15.If 7 January is a Thursday, what day of the week is 23 January? (a) Saturday (b) Friday (c) Sunday (d) Monday
16. 16.Today is Friday. What day of the week will it be after 87 days? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
17. 17.If 17 January is a Monday, what day of the week is 2 February? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
18. 18.If 13 May is a Tuesday, what day of the week is 8 June? (a) Tuesday (b) Monday (c) Sunday (d) Saturday
19. 19.If 8 May is a Thursday, what day of the week is 16 May? (a) Friday (b) Saturday (c) Thursday (d) Sunday
20. 20.Today is Monday. What day of the week will it be after 13 days? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
21. 21.If 24 November is a Wednesday, what day of the week is 12 December? (a) Saturday (b) Sunday (c) Monday (d) Tuesday
22. 22.If 8 May is a Friday, what day of the week is 19 May? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday
23. 23.If 20 May is a Wednesday, what day of the week is 15 June? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
24. 24.If 11 June is a Tuesday, what day of the week is 17 July? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
25. 25.If 6 December is a Wednesday, what day of the week is 15 December? (a) Sunday (b) Friday (c) Saturday (d) Thursday
26. 26.Today is Monday. What day of the week will it be after 63 days? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
27. 27.If 7 October is a Monday, what day of the week is 22 October? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
28. 28.Today is Sunday. What day of the week will it be after 79 days? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
29. 29.If 8 March is a Thursday, what day of the week is 23 March? (a) Saturday (b) Friday (c) Thursday (d) Sunday
30. 30.If 9 March is a Wednesday, what day of the week is 20 March? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
31. 31.Today is Saturday. What day of the week will it be after 89 days? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
32. 32.If 12 October is a Sunday, what day of the week is 20 October? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
33. 33.Today is Friday. What day of the week will it be after 75 days? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
34. 34.If 2 July is a Tuesday, what day of the week is 10 July? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
35. 35.If 5 May is a Wednesday, what day of the week is 13 May? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
36. 36.If 5 March is a Thursday, what day of the week is 18 March? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
37. 37.If 20 March is a Sunday, what day of the week is 15 April? (a) Saturday (b) Sunday (c) Thursday (d) Friday
38. 38.Today is Tuesday. What day of the week will it be after 65 days? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
39. 39.If 7 October is a Monday, what day of the week is 18 October? (a) Sunday (b) Friday (c) Thursday (d) Saturday
40. 40.If 10 December is a Sunday, what day of the week is 23 December? (a) Saturday (b) Friday (c) Sunday (d) Monday

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