Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 542 · 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 6 January is a Thursday, what day of the week is 19 January? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
2. 2.If 15 May is a Friday, what day of the week is 30 May? (a) Friday (b) Saturday (c) Monday (d) Sunday
3. 3.If 11 August is a Tuesday, what day of the week is 14 September? (a) Wednesday (b) Tuesday (c) Monday (d) Sunday
4. 4.Today is Thursday. What day of the week will it be after 81 days? (a) Wednesday (b) Monday (c) Tuesday (d) Sunday
5. 5.If 28 May is a Saturday, what day of the week is 2 June? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
6. 6.If 6 May is a Tuesday, what day of the week is 22 May? (a) Thursday (b) Saturday (c) Wednesday (d) Friday
7. 7.If 23 June is a Friday, what day of the week is 12 July? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
8. 8.If 13 June is a Monday, what day of the week is 13 July? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
9. 9.Today is Saturday. What day of the week will it be after 17 days? (a) Tuesday (b) Wednesday (c) Thursday (d) Monday
10. 10.Today is Friday. What day of the week will it be after 75 days? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
11. 11.If 10 April is a Monday, what day of the week is 9 May? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
12. 12.Today is Monday. What day of the week will it be after 35 days? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
13. 13.If 15 March is a Saturday, what day of the week is 31 March? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
14. 14.If 13 January is a Sunday, what day of the week is 29 January? (a) Tuesday (b) Thursday (c) Monday (d) Wednesday
15. 15.If 13 July is a Tuesday, what day of the week is 29 July? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
16. 16.If 1 July is a Sunday, what day of the week is 16 July? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
17. 17.If 27 September is a Thursday, what day of the week is 4 October? (a) Saturday (b) Wednesday (c) Friday (d) Thursday
18. 18.If 14 December is a Wednesday, what day of the week is 29 December? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
19. 19.If 11 January is a Thursday, what day of the week is 23 January? (a) Tuesday (b) Wednesday (c) Thursday (d) Monday
20. 20.Today is Friday. What day of the week will it be after 84 days? (a) Friday (b) Saturday (c) Sunday (d) Thursday
21. 21.If 1 July is a Tuesday, what day of the week is 17 July? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
22. 22.If 13 October is a Wednesday, what day of the week is 17 November? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
23. 23.Today is Tuesday. What day of the week will it be after 45 days? (a) Thursday (b) Saturday (c) Friday (d) Sunday
24. 24.Today is Friday. What day of the week will it be after 83 days? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
25. 25.If 16 July is a Monday, what day of the week is 15 August? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
26. 26.If 27 September is a Wednesday, what day of the week is 20 October? (a) Thursday (b) Sunday (c) Saturday (d) Friday
27. 27.If 17 September is a Wednesday, what day of the week is 2 October? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
28. 28.Today is Wednesday. What day of the week will it be after 53 days? (a) Sunday (b) Saturday (c) Tuesday (d) Monday
29. 29.Today is Wednesday. What day of the week will it be after 24 days? (a) Friday (b) Saturday (c) Sunday (d) Monday
30. 30.If 27 March is a Monday, what day of the week is 10 April? (a) Wednesday (b) Tuesday (c) Monday (d) Sunday
31. 31.Today is Sunday. What day of the week will it be after 83 days? (a) Monday (b) Friday (c) Sunday (d) Saturday
32. 32.Today is Monday. What day of the week will it be after 98 days? (a) Wednesday (b) Monday (c) Tuesday (d) Sunday
33. 33.If 3 December is a Thursday, what day of the week is 13 December? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
34. 34.If 12 March is a Tuesday, what day of the week is 23 March? (a) Monday (b) Friday (c) Saturday (d) Sunday
35. 35.If 26 March is a Sunday, what day of the week is 6 April? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
36. 36.Today is Saturday. What day of the week will it be after 98 days? (a) Saturday (b) Friday (c) Sunday (d) Monday
37. 37.If 11 September is a Sunday, what day of the week is 12 October? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
38. 38.If 4 December is a Saturday, what day of the week is 15 December? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
39. 39.Today is Tuesday. What day of the week will it be after 18 days? (a) Saturday (b) Monday (c) Sunday (d) Friday
40. 40.Today is Saturday. What day of the week will it be after 57 days? (a) Monday (b) Tuesday (c) Saturday (d) Sunday

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