Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 515 · 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 10 January is a Monday, what day of the week is 21 January? (a) Saturday (b) Sunday (c) Thursday (d) Friday
2. 2.If 8 October is a Thursday, what day of the week is 20 October? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
3. 3.If 10 August is a Wednesday, what day of the week is 20 August? (a) Friday (b) Sunday (c) Monday (d) Saturday
4. 4.If 15 July is a Thursday, what day of the week is 2 August? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
5. 5.Today is Friday. What day of the week will it be after 67 days? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
6. 6.Today is Monday. What day of the week will it be after 61 days? (a) Monday (b) Saturday (c) Friday (d) Sunday
7. 7.If 6 December is a Friday, what day of the week is 20 December? (a) Sunday (b) Friday (c) Thursday (d) Saturday
8. 8.If 17 September is a Thursday, what day of the week is 16 October? (a) Saturday (b) Sunday (c) Thursday (d) Friday
9. 9.Today is Wednesday. What day of the week will it be after 92 days? (a) Thursday (b) Wednesday (c) Friday (d) Saturday
10. 10.If 13 June is a Friday, what day of the week is 7 July? (a) Wednesday (b) Monday (c) Tuesday (d) Sunday
11. 11.If 9 July is a Wednesday, what day of the week is 18 July? (a) Saturday (b) Friday (c) Sunday (d) Thursday
12. 12.If 29 April is a Sunday, what day of the week is 19 May? (a) Friday (b) Sunday (c) Saturday (d) Monday
13. 13.If 22 September is a Monday, what day of the week is 15 October? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
14. 14.If 30 January is a Monday, what day of the week is 20 February? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
15. 15.If 8 December is a Wednesday, what day of the week is 17 December? (a) Friday (b) Saturday (c) Thursday (d) Sunday
16. 16.If 4 March is a Monday, what day of the week is 18 March? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
17. 17.Today is Saturday. What day of the week will it be after 48 days? (a) Thursday (b) Saturday (c) Sunday (d) Friday
18. 18.Today is Tuesday. What day of the week will it be after 24 days? (a) Thursday (b) Sunday (c) Saturday (d) Friday
19. 19.Today is Monday. What day of the week will it be after 86 days? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
20. 20.If 3 October is a Friday, what day of the week is 14 October? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
21. 21.Today is Monday. What day of the week will it be after 25 days? (a) Thursday (b) Saturday (c) Friday (d) Sunday
22. 22.If 2 October is a Tuesday, what day of the week is 11 October? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
23. 23.If 4 December is a Friday, what day of the week is 19 December? (a) Friday (b) Saturday (c) Sunday (d) Monday
24. 24.If 12 December is a Thursday, what day of the week is 23 December? (a) Monday (b) Tuesday (c) Sunday (d) Wednesday
25. 25.If 9 August is a Wednesday, what day of the week is 20 August? (a) Sunday (b) Monday (c) Saturday (d) Tuesday
26. 26.Today is Thursday. What day of the week will it be after 31 days? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
27. 27.Today is Saturday. What day of the week will it be after 21 days? (a) Friday (b) Sunday (c) Monday (d) Saturday
28. 28.Today is Wednesday. What day of the week will it be after 13 days? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
29. 29.Today is Wednesday. What day of the week will it be after 11 days? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
30. 30.If 22 November is a Sunday, what day of the week is 12 December? (a) Saturday (b) Friday (c) Sunday (d) Monday
31. 31.If 29 May is a Tuesday, what day of the week is 18 June? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
32. 32.If 14 July is a Friday, what day of the week is 1 August? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
33. 33.If 2 January is a Saturday, what day of the week is 18 January? (a) Tuesday (b) Monday (c) Sunday (d) Wednesday
34. 34.If 5 March is a Monday, what day of the week is 17 March? (a) Monday (b) Sunday (c) Saturday (d) Friday
35. 35.Today is Tuesday. What day of the week will it be after 20 days? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
36. 36.If 29 August is a Wednesday, what day of the week is 11 September? (a) Tuesday (b) Monday (c) Wednesday (d) Thursday
37. 37.If 12 January is a Monday, what day of the week is 2 February? (a) Wednesday (b) Tuesday (c) Monday (d) Sunday
38. 38.If 10 January is a Thursday, what day of the week is 18 January? (a) Friday (b) Thursday (c) Sunday (d) Saturday
39. 39.If 3 December is a Sunday, what day of the week is 13 December? (a) Wednesday (b) Thursday (c) Tuesday (d) Friday
40. 40.If 16 January is a Friday, what day of the week is 8 February? (a) Tuesday (b) Saturday (c) Sunday (d) Monday

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