Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 932 · 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 39 days? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
2. 2.If 3 January is a Wednesday, what day of the week is 19 January? (a) Saturday (b) Thursday (c) Friday (d) Sunday
3. 3.If 9 October is a Sunday, what day of the week is 20 October? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
4. 4.If 23 January is a Tuesday, what day of the week is 13 February? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
5. 5.If 9 March is a Wednesday, what day of the week is 18 March? (a) Sunday (b) Saturday (c) Thursday (d) Friday
6. 6.If 5 January is a Saturday, what day of the week is 21 January? (a) Sunday (b) Monday (c) Tuesday (d) Wednesday
7. 7.If 20 October is a Monday, what day of the week is 1 November? (a) Friday (b) Sunday (c) Saturday (d) Monday
8. 8.Today is Thursday. What day of the week will it be after 37 days? (a) Friday (b) Monday (c) Saturday (d) Sunday
9. 9.If 5 March is a Monday, what day of the week is 13 March? (a) Wednesday (b) Tuesday (c) Thursday (d) Monday
10. 10.If 8 March is a Sunday, what day of the week is 17 March? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
11. 11.If 6 May is a Saturday, what day of the week is 20 May? (a) Saturday (b) Sunday (c) Friday (d) Monday
12. 12.If 18 January is a Monday, what day of the week is 5 February? (a) Friday (b) Thursday (c) Saturday (d) Sunday
13. 13.If 22 June is a Friday, what day of the week is 7 July? (a) Saturday (b) Friday (c) Monday (d) Sunday
14. 14.If 11 July is a Monday, what day of the week is 27 July? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
15. 15.If 1 October is a Saturday, what day of the week is 9 October? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
16. 16.If 1 January is a Sunday, what day of the week is 10 January? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
17. 17.If 7 March is a Monday, what day of the week is 23 March? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
18. 18.Today is Sunday. What day of the week will it be after 66 days? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
19. 19.Today is Friday. What day of the week will it be after 52 days? (a) Tuesday (b) Monday (c) Wednesday (d) Sunday
20. 20.If 27 June is a Wednesday, what day of the week is 11 July? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
21. 21.If 22 October is a Tuesday, what day of the week is 18 November? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
22. 22.Today is Sunday. What day of the week will it be after 93 days? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
23. 23.If 20 May is a Tuesday, what day of the week is 2 June? (a) Wednesday (b) Monday (c) Tuesday (d) Sunday
24. 24.If 1 October is a Tuesday, what day of the week is 11 October? (a) Saturday (b) Thursday (c) Friday (d) Sunday
25. 25.If 1 January is a Tuesday, what day of the week is 9 January? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
26. 26.If 11 January is a Thursday, what day of the week is 24 January? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
27. 27.If 3 January is a Sunday, what day of the week is 16 January? (a) Friday (b) Saturday (c) Sunday (d) Monday
28. 28.If 10 July is a Thursday, what day of the week is 5 August? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
29. 29.Today is Wednesday. What day of the week will it be after 30 days? (a) Thursday (b) Sunday (c) Saturday (d) Friday
30. 30.Today is Friday. What day of the week will it be after 53 days? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
31. 31.If 5 January is a Sunday, what day of the week is 18 January? (a) Saturday (b) Monday (c) Friday (d) Sunday
32. 32.If 4 May is a Sunday, what day of the week is 13 May? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
33. 33.If 8 October is a Wednesday, what day of the week is 21 October? (a) Wednesday (b) Tuesday (c) Thursday (d) Monday
34. 34.Today is Friday. What day of the week will it be after 61 days? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
35. 35.Today is Thursday. What day of the week will it be after 80 days? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
36. 36.If 9 July is a Friday, what day of the week is 19 July? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
37. 37.Today is Thursday. What day of the week will it be after 45 days? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
38. 38.If 15 October is a Monday, what day of the week is 29 October? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
39. 39.Today is Thursday. What day of the week will it be after 93 days? (a) Sunday (b) Saturday (c) Monday (d) Friday
40. 40.If 10 May is a Sunday, what day of the week is 18 May? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday

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