Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 983 · 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 12 January is a Friday, what day of the week is 14 February? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
2. 2.If 4 October is a Friday, what day of the week is 19 October? (a) Monday (b) Saturday (c) Sunday (d) Friday
3. 3.If 21 July is a Thursday, what day of the week is 5 August? (a) Saturday (b) Thursday (c) Sunday (d) Friday
4. 4.Today is Tuesday. What day of the week will it be after 40 days? (a) Monday (b) Sunday (c) Tuesday (d) Saturday
5. 5.If 10 August is a Saturday, what day of the week is 20 August? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
6. 6.If 15 January is a Tuesday, what day of the week is 26 January? (a) Friday (b) Monday (c) Sunday (d) Saturday
7. 7.If 15 January is a Friday, what day of the week is 27 January? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
8. 8.Today is Saturday. What day of the week will it be after 73 days? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
9. 9.If 27 January is a Tuesday, what day of the week is 11 February? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
10. 10.If 19 August is a Tuesday, what day of the week is 8 September? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
11. 11.If 30 October is a Friday, what day of the week is 20 November? (a) Sunday (b) Saturday (c) Thursday (d) Friday
12. 12.Today is Monday. What day of the week will it be after 48 days? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
13. 13.Today is Sunday. What day of the week will it be after 37 days? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
14. 14.If 15 March is a Wednesday, what day of the week is 1 April? (a) Friday (b) Monday (c) Saturday (d) Sunday
15. 15.Today is Saturday. What day of the week will it be after 23 days? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
16. 16.If 20 April is a Wednesday, what day of the week is 7 May? (a) Friday (b) Monday (c) Sunday (d) Saturday
17. 17.Today is Friday. What day of the week will it be after 100 days? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
18. 18.If 2 January is a Friday, what day of the week is 17 January? (a) Saturday (b) Monday (c) Friday (d) Sunday
19. 19.If 3 May is a Tuesday, what day of the week is 11 May? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
20. 20.If 8 October is a Friday, what day of the week is 20 October? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
21. 21.If 6 May is a Wednesday, what day of the week is 18 May? (a) Monday (b) Sunday (c) Tuesday (d) Wednesday
22. 22.If 8 October is a Monday, what day of the week is 18 October? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
23. 23.If 3 March is a Saturday, what day of the week is 16 March? (a) Thursday (b) Sunday (c) Friday (d) Saturday
24. 24.If 11 October is a Saturday, what day of the week is 17 November? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
25. 25.If 11 July is a Sunday, what day of the week is 21 July? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
26. 26.Today is Saturday. What day of the week will it be after 49 days? (a) Sunday (b) Monday (c) Friday (d) Saturday
27. 27.If 13 January is a Sunday, what day of the week is 12 February? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
28. 28.Today is Sunday. What day of the week will it be after 96 days? (a) Sunday (b) Saturday (c) Friday (d) Thursday
29. 29.If 14 March is a Tuesday, what day of the week is 6 April? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
30. 30.Today is Thursday. What day of the week will it be after 83 days? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
31. 31.If 7 January is a Tuesday, what day of the week is 20 January? (a) Tuesday (b) Monday (c) Wednesday (d) Sunday
32. 32.Today is Tuesday. What day of the week will it be after 50 days? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
33. 33.If 7 January is a Thursday, what day of the week is 18 January? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
34. 34.Today is Sunday. What day of the week will it be after 12 days? (a) Sunday (b) Thursday (c) Saturday (d) Friday
35. 35.If 14 January is a Tuesday, what day of the week is 6 February? (a) Thursday (b) Saturday (c) Friday (d) Wednesday
36. 36.If 13 July is a Monday, what day of the week is 21 July? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
37. 37.Today is Tuesday. What day of the week will it be after 47 days? (a) Sunday (b) Saturday (c) Monday (d) Tuesday
38. 38.If 4 October is a Tuesday, what day of the week is 15 October? (a) Monday (b) Friday (c) Saturday (d) Sunday
39. 39.If 11 September is a Monday, what day of the week is 20 October? (a) Friday (b) Sunday (c) Saturday (d) Thursday
40. 40.If 15 January is a Sunday, what day of the week is 25 January? (a) Wednesday (b) Tuesday (c) Thursday (d) Friday

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