Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 277 · 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 77 days? (a) Sunday (b) Tuesday (c) Monday (d) Saturday
2. 2.If 15 September is a Saturday, what day of the week is 12 October? (a) Saturday (b) Thursday (c) Sunday (d) Friday
3. 3.Today is Monday. What day of the week will it be after 59 days? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
4. 4.If 7 October is a Friday, what day of the week is 20 October? (a) Thursday (b) Saturday (c) Friday (d) Wednesday
5. 5.If 13 September is a Tuesday, what day of the week is 5 October? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
6. 6.If 6 January is a Monday, what day of the week is 17 January? (a) Friday (b) Thursday (c) Saturday (d) Sunday
7. 7.If 15 July is a Tuesday, what day of the week is 25 July? (a) Friday (b) Thursday (c) Sunday (d) Saturday
8. 8.If 12 May is a Sunday, what day of the week is 21 May? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
9. 9.If 5 March is a Tuesday, what day of the week is 14 March? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
10. 10.If 7 December is a Tuesday, what day of the week is 17 December? (a) Sunday (b) Saturday (c) Friday (d) Thursday
11. 11.If 6 March is a Friday, what day of the week is 15 March? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
12. 12.If 5 May is a Tuesday, what day of the week is 15 May? (a) Thursday (b) Sunday (c) Friday (d) Saturday
13. 13.If 12 March is a Tuesday, what day of the week is 3 April? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
14. 14.Today is Sunday. What day of the week will it be after 23 days? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
15. 15.Today is Tuesday. What day of the week will it be after 33 days? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
16. 16.If 3 August is a Thursday, what day of the week is 19 August? (a) Friday (b) Saturday (c) Monday (d) Sunday
17. 17.If 5 March is a Friday, what day of the week is 18 March? (a) Friday (b) Thursday (c) Wednesday (d) Saturday
18. 18.If 12 March is a Monday, what day of the week is 21 March? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
19. 19.If 2 July is a Saturday, what day of the week is 12 July? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
20. 20.If 1 January is a Friday, what day of the week is 9 January? (a) Monday (b) Friday (c) Sunday (d) Saturday
21. 21.If 1 August is a Wednesday, what day of the week is 9 August? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
22. 22.If 20 June is a Friday, what day of the week is 2 July? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
23. 23.If 1 May is a Friday, what day of the week is 13 May? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
24. 24.If 17 March is a Sunday, what day of the week is 7 April? (a) Sunday (b) Tuesday (c) Monday (d) Saturday
25. 25.If 23 March is a Monday, what day of the week is 2 April? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
26. 26.If 11 December is a Tuesday, what day of the week is 25 December? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
27. 27.If 10 August is a Monday, what day of the week is 20 August? (a) Saturday (b) Wednesday (c) Friday (d) Thursday
28. 28.If 30 March is a Friday, what day of the week is 15 April? (a) Sunday (b) Saturday (c) Monday (d) Tuesday
29. 29.If 21 October is a Wednesday, what day of the week is 15 November? (a) Sunday (b) Saturday (c) Tuesday (d) Monday
30. 30.Today is Tuesday. What day of the week will it be after 88 days? (a) Sunday (b) Saturday (c) Monday (d) Friday
31. 31.If 19 June is a Sunday, what day of the week is 15 July? (a) Thursday (b) Sunday (c) Saturday (d) Friday
32. 32.If 19 March is a Friday, what day of the week is 5 April? (a) Tuesday (b) Monday (c) Sunday (d) Wednesday
33. 33.If 4 July is a Sunday, what day of the week is 15 July? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
34. 34.Today is Wednesday. What day of the week will it be after 41 days? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
35. 35.If 30 June is a Sunday, what day of the week is 10 July? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
36. 36.Today is Thursday. What day of the week will it be after 86 days? (a) Saturday (b) Monday (c) Sunday (d) Friday
37. 37.If 29 March is a Tuesday, what day of the week is 11 April? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
38. 38.If 27 August is a Tuesday, what day of the week is 12 September? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
39. 39.If 24 May is a Monday, what day of the week is 7 June? (a) Monday (b) Wednesday (c) Tuesday (d) Sunday
40. 40.If 3 May is a Thursday, what day of the week is 12 May? (a) Saturday (b) Monday (c) Sunday (d) Friday

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