यदि (5) boys और (4) girls में से (2) boys तथा (2) girls की committee बनानी हो तो expression क्या होगा?
If a committee of (2) boys and (2) girls is formed from (5) boys and (4) girls, what is the expression?
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C. \(^{5}C_2\times{}^{4}C_2\)
Simple Explanation
लड़कों और लड़कियों के selections स्वतंत्र हैं और committee में order नहीं है। परीक्षा में category-wise selection पर combinations multiply करें। / The selections of boys and girls are independent and order does not matter in a committee. In exams multiply combinations for category-wise selection.
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