Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 663 · 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 Sunday, what day of the week is 18 January? (a) Thursday (b) Friday (c) Sunday (d) Saturday
2. 2.If 13 December is a Wednesday, what day of the week is 25 December? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
3. 3.Today is Friday. What day of the week will it be after 60 days? (a) Wednesday (b) Tuesday (c) Thursday (d) Monday
4. 4.If 3 August is a Thursday, what day of the week is 12 August? (a) Saturday (b) Monday (c) Sunday (d) Friday
5. 5.If 13 March is a Monday, what day of the week is 28 March? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
6. 6.If 25 March is a Friday, what day of the week is 10 April? (a) Tuesday (b) Sunday (c) Monday (d) Saturday
7. 7.If 1 March is a Thursday, what day of the week is 10 March? (a) Monday (b) Friday (c) Sunday (d) Saturday
8. 8.If 13 January is a Tuesday, what day of the week is 28 January? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
9. 9.If 14 May is a Monday, what day of the week is 19 June? (a) Tuesday (b) Thursday (c) Wednesday (d) Monday
10. 10.If 12 September is a Wednesday, what day of the week is 1 October? (a) Wednesday (b) Monday (c) Tuesday (d) Sunday
11. 11.If 18 January is a Friday, what day of the week is 13 February? (a) Wednesday (b) Thursday (c) Tuesday (d) Friday
12. 12.Today is Saturday. What day of the week will it be after 76 days? (a) Friday (b) Saturday (c) Sunday (d) Thursday
13. 13.Today is Saturday. What day of the week will it be after 11 days? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
14. 14.If 14 April is a Monday, what day of the week is 1 May? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
15. 15.Today is Saturday. What day of the week will it be after 75 days? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
16. 16.If 1 January is a Friday, what day of the week is 10 January? (a) Tuesday (b) Monday (c) Sunday (d) Saturday
17. 17.Today is Tuesday. What day of the week will it be after 42 days? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
18. 18.If 25 March is a Friday, what day of the week is 1 April? (a) Saturday (b) Friday (c) Thursday (d) Sunday
19. 19.If 2 March is a Friday, what day of the week is 11 March? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
20. 20.Today is Sunday. What day of the week will it be after 69 days? (a) Sunday (b) Saturday (c) Monday (d) Friday
21. 21.If 11 December is a Wednesday, what day of the week is 20 December? (a) Thursday (b) Friday (c) Sunday (d) Saturday
22. 22.Today is Thursday. What day of the week will it be after 93 days? (a) Sunday (b) Monday (c) Saturday (d) Friday
23. 23.If 9 August is a Friday, what day of the week is 20 August? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday
24. 24.If 2 July is a Tuesday, what day of the week is 11 July? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
25. 25.If 7 July is a Wednesday, what day of the week is 18 July? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
26. 26.If 16 January is a Monday, what day of the week is 20 February? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
27. 27.If 25 March is a Tuesday, what day of the week is 7 April? (a) Wednesday (b) Monday (c) Tuesday (d) Sunday
28. 28.Today is Wednesday. What day of the week will it be after 29 days? (a) Thursday (b) Wednesday (c) Friday (d) Saturday
29. 29.If 28 August is a Wednesday, what day of the week is 7 September? (a) Sunday (b) Friday (c) Monday (d) Saturday
30. 30.If 1 October is a Thursday, what day of the week is 14 October? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
31. 31.If 14 October is a Friday, what day of the week is 23 October? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
32. 32.If 10 March is a Monday, what day of the week is 7 April? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
33. 33.If 26 June is a Monday, what day of the week is 13 July? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
34. 34.Today is Wednesday. What day of the week will it be after 86 days? (a) Saturday (b) Sunday (c) Friday (d) Thursday
35. 35.If 29 July is a Thursday, what day of the week is 17 August? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
36. 36.If 11 July is a Saturday, what day of the week is 19 July? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
37. 37.If 15 August is a Thursday, what day of the week is 30 August? (a) Friday (b) Saturday (c) Sunday (d) Thursday
38. 38.Today is Sunday. What day of the week will it be after 82 days? (a) Thursday (b) Sunday (c) Saturday (d) Friday
39. 39.If 27 June is a Saturday, what day of the week is 15 July? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
40. 40.If 27 August is a Thursday, what day of the week is 7 September? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday

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