यदि (p+q=6) और (p-q=2), तो (3p-q) का मान क्या होगा?
If (p+q=6) and (p-q=2), what is the value of (3p-q)?
Explanation opens after your attempt
C. (10)
Concept
The two equations give (p=4) and (q=2). Therefore, (3p-q=12-2=10).
Why this answer is correct
The correct answer is C. (10). The two equations give (p=4) and (q=2). Therefore, (3p-q=12-2=10).
Exam Tip
दोनों समीकरणों से (p=4) और (q=2) मिलता है। इसलिए (3p-q=12-2=10)।
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