यदि (a-b=4) और (b=3), तो (2a-b) का मान क्या होगा?
If (a-b=4) and (b=3), what is the value of (2a-b)?
Explanation opens after your attempt
B. (11)
Concept
From (a-b=4) and (b=3), (a=7). Therefore (2a-b=14-3=11).
Why this answer is correct
The correct answer is B. (11). From (a-b=4) and (b=3), (a=7). Therefore (2a-b=14-3=11).
Exam Tip
(a-b=4) और (b=3) से (a=7)। इसलिए (2a-b=14-3=11)।
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