Question

Андрей (А), Федор (Ф), Валерий (В) и Григорий (Г) сопровождали своих сестер на бал. Заключительный танец каждая из девушек танцевала не со своим братом Образовались следующие пары : Лена с Андреем , Анна с братом Кати , Тома с братом Анны Федор с сестрой Валерия а Валери с сестрой Андрея Определите пары и кто кому Барт /сестра

Answer 1

Анна-Том
Федор-Катя
Валерий-Анна
Григорий- Лена

Answer 2

Solution:

To determine the pairs and who escorted whom to the ball, we can analyze the given information.

1. Given Information: - Andrey (A), Fedor (F), Valeriy (V), and Grigoriy (G) escorted their sisters to the ball. - Each girl danced the final dance with a brother who was not her own.

2. Pairs and Escorts: - Lena danced with Andrey. - Anna danced with Katya's brother. - Toma danced with Anna's brother. - Fedor danced with Valeriy's sister. - Valeri danced with Andrey's sister.

3. Determination of Pairs: - Lena danced with Andrey, so Lena is Andrey's sister. - Anna danced with Katya's brother, so Anna is Katya's sister. - Toma danced with Anna's brother, so Toma is Andrey's sister. - Fedor danced with Valeriy's sister, so Fedor is Valeriy's brother. - Valeri danced with Andrey's sister, so Valeri is Andrey's brother.

4. Conclusion: - The pairs and their escorts are: - Lena and Andrey - Anna and Grigoriy - Toma and Fedor - Katya and Valeriy - Valeri and Gricoriy

Therefore, the pairs are Lena with Andrey, Anna with Grigoriy, Toma with Fedor, Katya with Valeriy, and Valeri with Grigoriy.

This analysis helps determine the pairs and who escorted whom to the ball based on the given information.

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