Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 49 · 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 21 January is a Wednesday, what day of the week is 17 February? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
2. 2.Today is Wednesday. What day of the week will it be after 33 days? (a) Wednesday (b) Monday (c) Tuesday (d) Sunday
3. 3.Today is Wednesday. What day of the week will it be after 70 days? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
4. 4.If 2 October is a Monday, what day of the week is 16 October? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
5. 5.If 10 January is a Wednesday, what day of the week is 18 January? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
6. 6.If 12 October is a Tuesday, what day of the week is 27 October? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
7. 7.If 3 July is a Thursday, what day of the week is 14 July? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
8. 8.Today is Wednesday. What day of the week will it be after 68 days? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
9. 9.If 6 October is a Saturday, what day of the week is 18 October? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
10. 10.If 29 September is a Sunday, what day of the week is 17 October? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
11. 11.If 27 October is a Thursday, what day of the week is 4 November? (a) Thursday (b) Saturday (c) Friday (d) Sunday
12. 12.If 17 March is a Thursday, what day of the week is 6 April? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
13. 13.If 22 April is a Wednesday, what day of the week is 4 May? (a) Wednesday (b) Tuesday (c) Monday (d) Sunday
14. 14.If 14 March is a Wednesday, what day of the week is 26 March? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
15. 15.If 5 December is a Friday, what day of the week is 20 December? (a) Saturday (b) Monday (c) Friday (d) Sunday
16. 16.If 21 April is a Sunday, what day of the week is 20 May? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
17. 17.If 1 January is a Monday, what day of the week is 14 January? (a) Sunday (b) Tuesday (c) Saturday (d) Monday
18. 18.If 22 April is a Sunday, what day of the week is 10 May? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
19. 19.If 12 June is a Wednesday, what day of the week is 17 July? (a) Wednesday (b) Thursday (c) Tuesday (d) Friday
20. 20.If 13 August is a Saturday, what day of the week is 11 September? (a) Sunday (b) Monday (c) Saturday (d) Tuesday
21. 21.If 23 October is a Monday, what day of the week is 13 November? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
22. 22.If 13 January is a Wednesday, what day of the week is 27 January? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
23. 23.If 8 August is a Friday, what day of the week is 23 August? (a) Friday (b) Saturday (c) Monday (d) Sunday
24. 24.Today is Monday. What day of the week will it be after 97 days? (a) Sunday (b) Tuesday (c) Saturday (d) Monday
25. 25.If 28 June is a Wednesday, what day of the week is 1 July? (a) Friday (b) Monday (c) Saturday (d) Sunday
26. 26.If 1 July is a Friday, what day of the week is 17 July? (a) Sunday (b) Saturday (c) Monday (d) Tuesday
27. 27.If 14 March is a Monday, what day of the week is 24 March? (a) Friday (b) Thursday (c) Wednesday (d) Saturday
28. 28.If 3 May is a Monday, what day of the week is 12 May? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
29. 29.If 12 July is a Monday, what day of the week is 26 July? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
30. 30.Today is Tuesday. What day of the week will it be after 69 days? (a) Monday (b) Sunday (c) Tuesday (d) Wednesday
31. 31.If 12 September is a Thursday, what day of the week is 4 October? (a) Thursday (b) Saturday (c) Sunday (d) Friday
32. 32.Today is Wednesday. What day of the week will it be after 26 days? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
33. 33.If 10 May is a Sunday, what day of the week is 12 June? (a) Saturday (b) Friday (c) Thursday (d) Sunday
34. 34.If 18 August is a Sunday, what day of the week is 15 September? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
35. 35.Today is Wednesday. What day of the week will it be after 49 days? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
36. 36.Today is Thursday. What day of the week will it be after 64 days? (a) Thursday (b) Friday (c) Sunday (d) Saturday
37. 37.If 15 January is a Wednesday, what day of the week is 29 January? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
38. 38.Today is Sunday. What day of the week will it be after 13 days? (a) Sunday (b) Saturday (c) Monday (d) Friday
39. 39.Today is Monday. What day of the week will it be after 26 days? (a) Friday (b) Sunday (c) Saturday (d) Monday
40. 40.If 14 January is a Saturday, what day of the week is 17 February? (a) Friday (b) Saturday (c) Sunday (d) Thursday

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