Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 109 · 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.Today is Thursday. What day of the week will it be after 48 days? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
2. 2.If 3 July is a Wednesday, what day of the week is 15 July? (a) Wednesday (b) Monday (c) Tuesday (d) Sunday
3. 3.Today is Friday. What day of the week will it be after 82 days? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
4. 4.Today is Friday. What day of the week will it be after 73 days? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
5. 5.If 1 August is a Tuesday, what day of the week is 10 August? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
6. 6.Today is Wednesday. What day of the week will it be after 60 days? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
7. 7.If 21 July is a Tuesday, what day of the week is 18 August? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
8. 8.If 4 July is a Sunday, what day of the week is 16 July? (a) Sunday (b) Saturday (c) Friday (d) Thursday
9. 9.If 13 March is a Friday, what day of the week is 27 March? (a) Saturday (b) Sunday (c) Friday (d) Thursday
10. 10.If 25 August is a Wednesday, what day of the week is 6 September? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
11. 11.If 10 August is a Saturday, what day of the week is 23 August? (a) Saturday (b) Sunday (c) Friday (d) Thursday
12. 12.Today is Wednesday. What day of the week will it be after 16 days? (a) Sunday (b) Saturday (c) Friday (d) Thursday
13. 13.If 13 January is a Wednesday, what day of the week is 5 February? (a) Friday (b) Sunday (c) Saturday (d) Thursday
14. 14.If 2 May is a Sunday, what day of the week is 17 May? (a) Wednesday (b) Monday (c) Tuesday (d) Sunday
15. 15.If 11 November is a Sunday, what day of the week is 2 December? (a) Tuesday (b) Monday (c) Sunday (d) Saturday
16. 16.If 22 November is a Tuesday, what day of the week is 4 December? (a) Sunday (b) Saturday (c) Tuesday (d) Monday
17. 17.If 11 August is a Sunday, what day of the week is 20 August? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
18. 18.Today is Tuesday. What day of the week will it be after 45 days? (a) Thursday (b) Friday (c) Saturday (d) Sunday
19. 19.Today is Tuesday. What day of the week will it be after 11 days? (a) Sunday (b) Saturday (c) Monday (d) Friday
20. 20.Today is Saturday. What day of the week will it be after 77 days? (a) Saturday (b) Monday (c) Sunday (d) Friday
21. 21.If 26 June is a Wednesday, what day of the week is 19 July? (a) Thursday (b) Saturday (c) Sunday (d) Friday
22. 22.If 6 January is a Thursday, what day of the week is 17 January? (a) Wednesday (b) Tuesday (c) Monday (d) Sunday
23. 23.If 5 July is a Saturday, what day of the week is 20 July? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
24. 24.If 15 August is a Sunday, what day of the week is 31 August? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
25. 25.If 20 January is a Monday, what day of the week is 5 February? (a) Wednesday (b) Tuesday (c) Friday (d) Thursday
26. 26.If 17 March is a Sunday, what day of the week is 11 April? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
27. 27.Today is Thursday. What day of the week will it be after 98 days? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
28. 28.If 20 October is a Wednesday, what day of the week is 4 November? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
29. 29.If 7 October is a Monday, what day of the week is 16 October? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
30. 30.If 26 November is a Monday, what day of the week is 17 December? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
31. 31.If 16 August is a Wednesday, what day of the week is 15 September? (a) Saturday (b) Friday (c) Thursday (d) Sunday
32. 32.If 24 March is a Monday, what day of the week is 8 April? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
33. 33.If 18 June is a Friday, what day of the week is 16 July? (a) Thursday (b) Friday (c) Sunday (d) Saturday
34. 34.If 27 November is a Sunday, what day of the week is 4 December? (a) Sunday (b) Saturday (c) Monday (d) Tuesday
35. 35.If 20 April is a Thursday, what day of the week is 14 May? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
36. 36.If 6 August is a Sunday, what day of the week is 20 August? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
37. 37.Today is Friday. What day of the week will it be after 64 days? (a) Sunday (b) Saturday (c) Friday (d) Monday
38. 38.If 2 January is a Sunday, what day of the week is 11 January? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
39. 39.If 11 August is a Monday, what day of the week is 4 September? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
40. 40.If 29 April is a Thursday, what day of the week is 3 May? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday

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