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For the prayer hall, the breadth comes out as 12 m and the length as:
A36 m
B25 m
C24 m
D13 m
Answer & Solution
Correct answer: B. 25 m
1. Length is 2x plus 1.
2. With x equal to 12, that is 24 plus 1.
3. So the length is 25 m.
_Source: NCERT Class 10 Mathematics, Chapter 4, Quadratic Equations._
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