Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 381 · 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 December is a Friday, what day of the week is 13 December? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
2. 2.If 14 January is a Tuesday, what day of the week is 18 February? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
3. 3.Today is Sunday. What day of the week will it be after 99 days? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
4. 4.If 26 March is a Tuesday, what day of the week is 12 April? (a) Saturday (b) Friday (c) Thursday (d) Sunday
5. 5.Today is Friday. What day of the week will it be after 79 days? (a) Sunday (b) Saturday (c) Tuesday (d) Monday
6. 6.If 4 January is a Tuesday, what day of the week is 14 January? (a) Saturday (b) Thursday (c) Sunday (d) Friday
7. 7.If 4 March is a Wednesday, what day of the week is 12 March? (a) Thursday (b) Saturday (c) Friday (d) Wednesday
8. 8.Today is Tuesday. What day of the week will it be after 20 days? (a) Monday (b) Wednesday (c) Sunday (d) Tuesday
9. 9.Today is Friday. What day of the week will it be after 93 days? (a) Monday (b) Sunday (c) Tuesday (d) Saturday
10. 10.If 13 March is a Friday, what day of the week is 28 March? (a) Friday (b) Monday (c) Sunday (d) Saturday
11. 11.If 10 July is a Wednesday, what day of the week is 18 July? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
12. 12.If 10 November is a Tuesday, what day of the week is 14 December? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
13. 13.If 29 October is a Tuesday, what day of the week is 8 November? (a) Thursday (b) Saturday (c) Sunday (d) Friday
14. 14.If 2 August is a Wednesday, what day of the week is 18 August? (a) Sunday (b) Friday (c) Thursday (d) Saturday
15. 15.If 8 July is a Saturday, what day of the week is 16 July? (a) Monday (b) Sunday (c) Saturday (d) Tuesday
16. 16.If 23 March is a Wednesday, what day of the week is 20 April? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
17. 17.Today is Wednesday. What day of the week will it be after 77 days? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
18. 18.If 23 May is a Tuesday, what day of the week is 13 June? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
19. 19.If 16 October is a Friday, what day of the week is 1 November? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
20. 20.If 10 July is a Friday, what day of the week is 23 July? (a) Friday (b) Thursday (c) Wednesday (d) Saturday
21. 21.Today is Sunday. What day of the week will it be after 28 days? (a) Sunday (b) Monday (c) Saturday (d) Tuesday
22. 22.Today is Thursday. What day of the week will it be after 18 days? (a) Monday (b) Sunday (c) Wednesday (d) Tuesday
23. 23.If 13 July is a Monday, what day of the week is 22 July? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
24. 24.Today is Saturday. What day of the week will it be after 36 days? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
25. 25.If 1 May is a Tuesday, what day of the week is 12 May? (a) Sunday (b) Friday (c) Saturday (d) Monday
26. 26.Today is Tuesday. What day of the week will it be after 85 days? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
27. 27.Today is Saturday. What day of the week will it be after 93 days? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
28. 28.If 10 August is a Friday, what day of the week is 19 August? (a) Sunday (b) Saturday (c) Tuesday (d) Monday
29. 29.Today is Thursday. What day of the week will it be after 76 days? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
30. 30.If 12 August is a Monday, what day of the week is 22 August? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
31. 31.If 13 December is a Saturday, what day of the week is 21 December? (a) Tuesday (b) Monday (c) Sunday (d) Saturday
32. 32.Today is Tuesday. What day of the week will it be after 57 days? (a) Wednesday (b) Friday (c) Thursday (d) Tuesday
33. 33.If 16 January is a Saturday, what day of the week is 20 February? (a) Saturday (b) Monday (c) Friday (d) Sunday
34. 34.If 12 January is a Wednesday, what day of the week is 21 January? (a) Sunday (b) Saturday (c) Thursday (d) Friday
35. 35.If 17 August is a Wednesday, what day of the week is 11 September? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
36. 36.If 5 October is a Monday, what day of the week is 15 October? (a) Saturday (b) Wednesday (c) Friday (d) Thursday
37. 37.If 7 July is a Wednesday, what day of the week is 23 July? (a) Saturday (b) Friday (c) Thursday (d) Sunday
38. 38.If 13 October is a Tuesday, what day of the week is 21 October? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
39. 39.If 4 October is a Sunday, what day of the week is 13 October? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
40. 40.If 3 October is a Sunday, what day of the week is 15 October? (a) Saturday (b) Friday (c) Thursday (d) Sunday

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