0 reads0 ratings0 helpful
How many (6)-digit numbers can be formed from (1,2,3,4,5,6) without repetition if (1) and (2) are adjacent?कितनी (6)-अंकीय संख्याएं (1,2,3,4,5,6) से बिना पुनरावृत्ति बनेंगी जिनमें (1) और (2) साथ हों?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (240)(240)
Treat (1) and (2) as a block, giving (5!) arrangements and (2!) internal orders. For adjacent digits, the block method is direct.(1) और (2) को खंड मानकर (5!) व्यवस्थाएं और खंड के भीतर (2!) क्रम हैं। साथ वाले अंकों में खंड विधि सीधी होती है।
Student feedback
Was this question useful?
Was this question useful?
👍 0 Helpful 👎 0 Not helpful
Difficulty
Easy0%
Medium0%
Hard0%
Was the explanation clear?
Yes 0% No 0%
0 responsesStudent Reviews
No published reviews yet.
