(5) boys और (5) girls को alternate row में बैठाने की total count कौन-सी है?
What is the total count for seating (5) boys and (5) girls alternately in a row?
Explanation opens after your attempt
B. \(2\cdot5!\cdot5!\)
Concept
There are (2) patterns for the starting gender and both groups arrange in (5!) ways. In exams do not forget the (2) patterns for equal alternate groups.
Why this answer is correct
The correct answer is B. \(2\cdot5!\cdot5!\). There are (2) patterns for the starting gender and both groups arrange in (5!) ways. In exams do not forget the (2) patterns for equal alternate groups.
Exam Tip
Starting gender के (2) patterns होते हैं और दोनों groups अपने-अपने (5!) ways में arrange होते हैं। परीक्षा में equal alternate groups में (2) pattern न भूलें।
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