Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 34 · 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 13 October is a Monday, what day of the week is 21 October? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
2. 2.Today is Wednesday. What day of the week will it be after 32 days? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
3. 3.If 20 November is a Thursday, what day of the week is 12 December? (a) Thursday (b) Sunday (c) Saturday (d) Friday
4. 4.If 15 January is a Monday, what day of the week is 9 February? (a) Saturday (b) Sunday (c) Friday (d) Thursday
5. 5.If 28 September is a Wednesday, what day of the week is 2 October? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
6. 6.If 3 August is a Thursday, what day of the week is 13 August? (a) Tuesday (b) Sunday (c) Monday (d) Saturday
7. 7.Today is Sunday. What day of the week will it be after 14 days? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
8. 8.If 19 November is a Wednesday, what day of the week is 1 December? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
9. 9.If 10 September is a Saturday, what day of the week is 19 October? (a) Wednesday (b) Thursday (c) Tuesday (d) Friday
10. 10.If 10 May is a Friday, what day of the week is 22 May? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
11. 11.If 27 April is a Wednesday, what day of the week is 5 May? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
12. 12.If 15 April is a Friday, what day of the week is 19 May? (a) Thursday (b) Friday (c) Saturday (d) Wednesday
13. 13.If 8 March is a Sunday, what day of the week is 20 March? (a) Friday (b) Thursday (c) Sunday (d) Saturday
14. 14.If 4 October is a Monday, what day of the week is 17 October? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
15. 15.If 27 June is a Friday, what day of the week is 11 July? (a) Sunday (b) Friday (c) Thursday (d) Saturday
16. 16.Today is Monday. What day of the week will it be after 30 days? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
17. 17.If 23 May is a Thursday, what day of the week is 13 June? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
18. 18.Today is Thursday. What day of the week will it be after 14 days? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
19. 19.If 13 March is a Saturday, what day of the week is 16 April? (a) Saturday (b) Sunday (c) Friday (d) Thursday
20. 20.If 13 August is a Tuesday, what day of the week is 13 September? (a) Saturday (b) Thursday (c) Sunday (d) Friday
21. 21.If 15 August is a Thursday, what day of the week is 23 August? (a) Sunday (b) Thursday (c) Friday (d) Saturday
22. 22.If 7 March is a Monday, what day of the week is 21 March? (a) Monday (b) Sunday (c) Wednesday (d) Tuesday
23. 23.If 7 December is a Tuesday, what day of the week is 17 December? (a) Friday (b) Thursday (c) Saturday (d) Sunday
24. 24.Today is Saturday. What day of the week will it be after 92 days? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
25. 25.If 3 March is a Sunday, what day of the week is 13 March? (a) Wednesday (b) Friday (c) Thursday (d) Tuesday
26. 26.If 11 March is a Sunday, what day of the week is 21 March? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
27. 27.If 4 July is a Thursday, what day of the week is 12 July? (a) Thursday (b) Friday (c) Sunday (d) Saturday
28. 28.If 2 May is a Tuesday, what day of the week is 15 May? (a) Tuesday (b) Wednesday (c) Sunday (d) Monday
29. 29.Today is Sunday. What day of the week will it be after 21 days? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
30. 30.If 25 March is a Friday, what day of the week is 11 April? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
31. 31.If 11 November is a Thursday, what day of the week is 1 December? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
32. 32.If 11 August is a Monday, what day of the week is 15 September? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
33. 33.If 14 January is a Sunday, what day of the week is 24 January? (a) Tuesday (b) Thursday (c) Wednesday (d) Friday
34. 34.If 9 March is a Sunday, what day of the week is 22 March? (a) Saturday (b) Monday (c) Sunday (d) Friday
35. 35.Today is Thursday. What day of the week will it be after 37 days? (a) Saturday (b) Friday (c) Sunday (d) Monday
36. 36.Today is Tuesday. What day of the week will it be after 16 days? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
37. 37.If 26 November is a Sunday, what day of the week is 14 December? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
38. 38.If 23 January is a Monday, what day of the week is 17 February? (a) Saturday (b) Thursday (c) Sunday (d) Friday
39. 39.Today is Monday. What day of the week will it be after 71 days? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
40. 40.Today is Sunday. What day of the week will it be after 53 days? (a) Wednesday (b) Friday (c) Saturday (d) Thursday

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