(6) विवाहित जोड़ों में से (4) लोगों को चुनना है ताकि कोई पूरा जोड़ा न चुना जाए। कितने चयन संभव हैं?
From (6) married couples, (4) people are to be selected so that no complete couple is selected. How many selections are possible?
Explanation opens after your attempt
Correct Answer
B. (240)
Concept
Choose (4) couples from (6) and then choose (1) person from each selected couple. The number is \(^{6}C_{4}\times2^{4}=240\).
Why this answer is correct
The correct answer is B. (240). Choose (4) couples from (6) and then choose (1) person from each selected couple. The number is \(^{6}C_{4}\times2^{4}=240\).
Exam Tip
पहले (6) जोड़ों में से (4) जोड़े चुनें और हर चुने जोड़े से (1) व्यक्ति चुनें। संख्या \(^{6}C_{4}\times2^{4}=240\)।
Login to save your score, XP, coins and progress.