## Math Problem Statement

explian qst 2 and solve it

## Solution

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## Math Problem Analysis

### Mathematical Concepts

Combinatorics

Probability

### Formulas

P(A and B are r seats apart) = 2(n - r) / (n(n - 1))

### Theorems

Combinatorial Selection

### Suitable Grade Level

Grades 11-12 or College Level

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