Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 77 · 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 11 November is a Saturday, what day of the week is 14 December? (a) Thursday (b) Wednesday (c) Saturday (d) Friday
2. 2.Today is Thursday. What day of the week will it be after 58 days? (a) Monday (b) Friday (c) Saturday (d) Sunday
3. 3.Today is Wednesday. What day of the week will it be after 38 days? (a) Saturday (b) Monday (c) Sunday (d) Friday
4. 4.If 15 May is a Monday, what day of the week is 29 May? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
5. 5.If 13 July is a Friday, what day of the week is 22 July? (a) Saturday (b) Sunday (c) Monday (d) Tuesday
6. 6.If 25 November is a Wednesday, what day of the week is 20 December? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
7. 7.If 3 January is a Friday, what day of the week is 14 January? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
8. 8.Today is Thursday. What day of the week will it be after 28 days? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
9. 9.If 27 November is a Monday, what day of the week is 10 December? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
10. 10.If 8 March is a Saturday, what day of the week is 20 March? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
11. 11.Today is Monday. What day of the week will it be after 79 days? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
12. 12.Today is Friday. What day of the week will it be after 44 days? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
13. 13.If 12 July is a Wednesday, what day of the week is 20 August? (a) Sunday (b) Tuesday (c) Monday (d) Saturday
14. 14.Today is Monday. What day of the week will it be after 97 days? (a) Sunday (b) Tuesday (c) Monday (d) Saturday
15. 15.If 10 May is a Tuesday, what day of the week is 18 May? (a) Tuesday (b) Thursday (c) Wednesday (d) Friday
16. 16.If 19 May is a Tuesday, what day of the week is 7 June? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
17. 17.If 30 April is a Thursday, what day of the week is 4 May? (a) Monday (b) Sunday (c) Tuesday (d) Wednesday
18. 18.If 8 December is a Sunday, what day of the week is 16 December? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
19. 19.If 3 December is a Friday, what day of the week is 13 December? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
20. 20.If 12 November is a Wednesday, what day of the week is 10 December? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
21. 21.If 19 May is a Monday, what day of the week is 2 June? (a) Monday (b) Wednesday (c) Sunday (d) Tuesday
22. 22.If 24 April is a Sunday, what day of the week is 2 May? (a) Monday (b) Wednesday (c) Tuesday (d) Sunday
23. 23.If 2 March is a Monday, what day of the week is 17 March? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
24. 24.If 20 April is a Tuesday, what day of the week is 1 May? (a) Sunday (b) Monday (c) Saturday (d) Friday
25. 25.If 7 December is a Thursday, what day of the week is 22 December? (a) Thursday (b) Saturday (c) Friday (d) Sunday
26. 26.If 28 January is a Thursday, what day of the week is 7 February? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
27. 27.If 30 October is a Thursday, what day of the week is 20 November? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
28. 28.If 24 April is a Sunday, what day of the week is 6 May? (a) Sunday (b) Thursday (c) Saturday (d) Friday
29. 29.Today is Friday. What day of the week will it be after 88 days? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
30. 30.If 10 July is a Monday, what day of the week is 21 July? (a) Friday (b) Sunday (c) Thursday (d) Saturday
31. 31.If 15 August is a Tuesday, what day of the week is 26 August? (a) Saturday (b) Monday (c) Friday (d) Sunday
32. 32.If 19 June is a Thursday, what day of the week is 9 July? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
33. 33.Today is Thursday. What day of the week will it be after 84 days? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
34. 34.If 18 November is a Sunday, what day of the week is 15 December? (a) Monday (b) Friday (c) Sunday (d) Saturday
35. 35.If 15 September is a Sunday, what day of the week is 1 October? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
36. 36.If 5 December is a Wednesday, what day of the week is 16 December? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
37. 37.If 18 September is a Wednesday, what day of the week is 20 October? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
38. 38.If 19 September is a Sunday, what day of the week is 4 October? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
39. 39.If 11 January is a Tuesday, what day of the week is 26 January? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
40. 40.If 14 August is a Friday, what day of the week is 7 September? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday

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