Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 329 · 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 1 January is a Friday, what day of the week is 10 January? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
2. 2.Today is Saturday. What day of the week will it be after 14 days? (a) Saturday (b) Monday (c) Sunday (d) Friday
3. 3.If 14 April is a Saturday, what day of the week is 1 May? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
4. 4.Today is Saturday. What day of the week will it be after 17 days? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
5. 5.If 30 April is a Friday, what day of the week is 10 May? (a) Monday (b) Sunday (c) Tuesday (d) Wednesday
6. 6.If 8 July is a Friday, what day of the week is 19 July? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
7. 7.If 14 April is a Thursday, what day of the week is 6 May? (a) Thursday (b) Sunday (c) Saturday (d) Friday
8. 8.Today is Sunday. What day of the week will it be after 80 days? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
9. 9.If 28 April is a Monday, what day of the week is 20 May? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
10. 10.If 2 January is a Wednesday, what day of the week is 15 January? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
11. 11.If 11 July is a Friday, what day of the week is 24 July? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
12. 12.If 5 July is a Wednesday, what day of the week is 16 July? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
13. 13.If 24 January is a Saturday, what day of the week is 7 February? (a) Friday (b) Saturday (c) Monday (d) Sunday
14. 14.Today is Monday. What day of the week will it be after 17 days? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
15. 15.If 14 May is a Wednesday, what day of the week is 26 May? (a) Wednesday (b) Tuesday (c) Sunday (d) Monday
16. 16.If 5 January is a Friday, what day of the week is 13 January? (a) Monday (b) Sunday (c) Friday (d) Saturday
17. 17.If 5 May is a Wednesday, what day of the week is 19 May? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
18. 18.Today is Sunday. What day of the week will it be after 18 days? (a) Thursday (b) Wednesday (c) Friday (d) Saturday
19. 19.If 25 April is a Wednesday, what day of the week is 4 May? (a) Saturday (b) Friday (c) Sunday (d) Thursday
20. 20.If 28 March is a Tuesday, what day of the week is 20 April? (a) Wednesday (b) Thursday (c) Saturday (d) Friday
21. 21.If 14 May is a Monday, what day of the week is 6 June? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
22. 22.If 3 October is a Friday, what day of the week is 14 October? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
23. 23.If 12 December is a Thursday, what day of the week is 20 December? (a) Friday (b) Saturday (c) Thursday (d) Sunday
24. 24.Today is Friday. What day of the week will it be after 31 days? (a) Tuesday (b) Wednesday (c) Sunday (d) Monday
25. 25.If 22 June is a Thursday, what day of the week is 5 July? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
26. 26.If 16 May is a Friday, what day of the week is 9 June? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
27. 27.If 5 May is a Tuesday, what day of the week is 13 May? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
28. 28.If 31 August is a Friday, what day of the week is 14 September? (a) Sunday (b) Friday (c) Thursday (d) Saturday
29. 29.If 9 December is a Monday, what day of the week is 23 December? (a) Wednesday (b) Monday (c) Sunday (d) Tuesday
30. 30.Today is Tuesday. What day of the week will it be after 61 days? (a) Sunday (b) Tuesday (c) Saturday (d) Monday
31. 31.If 20 September is a Wednesday, what day of the week is 11 October? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
32. 32.Today is Monday. What day of the week will it be after 82 days? (a) Sunday (b) Saturday (c) Monday (d) Friday
33. 33.Today is Saturday. What day of the week will it be after 65 days? (a) Monday (b) Sunday (c) Tuesday (d) Wednesday
34. 34.Today is Sunday. What day of the week will it be after 28 days? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
35. 35.If 18 May is a Wednesday, what day of the week is 3 June? (a) Saturday (b) Sunday (c) Thursday (d) Friday
36. 36.If 25 September is a Thursday, what day of the week is 4 October? (a) Sunday (b) Friday (c) Monday (d) Saturday
37. 37.Today is Thursday. What day of the week will it be after 17 days? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
38. 38.If 13 April is a Wednesday, what day of the week is 6 May? (a) Thursday (b) Saturday (c) Sunday (d) Friday
39. 39.If 26 August is a Tuesday, what day of the week is 2 September? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
40. 40.Today is Wednesday. What day of the week will it be after 27 days? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday

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