शब्द (DELHI) के सभी अक्षरों से कितने अलग शब्द बनाए जा सकते हैं?
How many distinct words can be formed using all letters of (DELHI)?
Explanation opens after your attempt
B. (120)
Concept
The word (DELHI) has (5) distinct letters, so (5!=120). The number of distinct letters is the base of the factorial.
Why this answer is correct
The correct answer is B. (120). The word (DELHI) has (5) distinct letters, so (5!=120). The number of distinct letters is the base of the factorial.
Exam Tip
(DELHI) में (5) अलग अक्षर हैं इसलिए (5!=120)। अलग अक्षरों की संख्या ही factorial का आधार होती है।
Login to save your score, XP, coins and progress.
