Question

В семье четверо детей -Ержан, Лаура,Арман,Меруерт.Одному из них 4 года, другому-8 лет, третьему- 10 лет четвертому - 15 лет.Одна из девочек ходит детский сад.Лаура старше Армана, и сумма их возрастов делится на 3.Найди возраст каждого из детей.

Answer 1

Девочка Меруерт 4 года ( ходит в детский сад) ,Арман 8 лет ,Лаура 10 лет, Ерлан 15 лет

Answer 2

Problem Analysis

We are given a family with four children named Erzhan, Laura, Arman, and Meruert. We know the age of each child, and we have some additional information about their ages and Laura's attendance at a kindergarten. We need to find the age of each child.

Solution

Let's analyze the given information step by step to find the age of each child.

1. We know that one of the children is 4 years old, another is 8 years old, the third is 10 years old, and the fourth is 15 years old.

2. We also know that one of the girls attends a kindergarten. Since Laura is older than Arman, and the sum of their ages is divisible by 3, we can conclude that Laura is the one attending kindergarten. Therefore, Laura is not 4 years old.

3. Since Laura is older than Arman, and the sum of their ages is divisible by 3, we can conclude that Laura is either 8 or 15 years old. If Laura were 8 years old, the sum of their ages would be 8 + 4 = 12, which is not divisible by 3. Therefore, Laura must be 15 years old.

4. Now that we know Laura's age, we can find the age of Arman. The sum of their ages is divisible by 3, so Arman must be 15 - 8 = 7 years old.

5. Since Erzhan is the only child left, and we know the ages of the other three children, Erzhan must be 10 years old.

Therefore, the ages of each child are as follows: - Erzhan: 10 years old - Laura: 15 years old - Arman: 7 years old - Meruert: 4 years old

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