यदि ({a+2}={9}), तो (a) का मान क्या है?
If ({a+2}={9}), what is the value of (a)?
Explanation opens after your attempt
C. (7)
Concept
Singleton sets are equal, so (a+2=9). Hence (a=7).
Why this answer is correct
The correct answer is C. (7). Singleton sets are equal, so (a+2=9). Hence (a=7).
Exam Tip
एक-सदस्यीय समुच्चय बराबर हैं, इसलिए (a+2=9)। इससे (a=7) मिलता है।
Login to save your score, XP, coins and progress.
