(5) कुर्सियों पर (5) अलग-अलग लोगों को कितने तरीकों से बैठाया जा सकता है?
In how many ways can (5) different people be seated on (5) chairs?
Explanation opens after your attempt
D. (120)
Concept
The number of ways to seat (5) people in (5) places is (5!=120). Remember factorial for seating in a row.
Why this answer is correct
The correct answer is D. (120). The number of ways to seat (5) people in (5) places is (5!=120). Remember factorial for seating in a row.
Exam Tip
(5) लोगों को (5) स्थानों पर बैठाने के तरीके (5!=120) हैं। seating in a row में factorial याद रखें।
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