(52) पत्तों की गड्डी से (5) पत्तों का हाथ चुनना है जिसमें ठीक (2) दिल के पत्ते हों। कितने हाथ संभव हैं?
From a deck of (52) cards, a (5)-card hand is to be chosen with exactly (2) hearts. How many hands are possible?
Explanation opens after your attempt
C. (712842)
Concept
Choose (2) hearts in \(^{13}C_{2}\) ways and the other (3) cards in \(^{39}C_{3}\) ways. Multiplication gives (712842).
Why this answer is correct
The correct answer is C. (712842). Choose (2) hearts in \(^{13}C_{2}\) ways and the other (3) cards in \(^{39}C_{3}\) ways. Multiplication gives (712842).
Exam Tip
दिल के (2) पत्ते \(^{13}C_{2}\) तरीकों से और बाकी (3) पत्ते \(^{39}C_{3}\) तरीकों से चुने जाएंगे। गुणन से (712842)।
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