Question : Find the mean proportional between 25 and 225.
Option 1: 65
Option 2: 25
Option 3: 75
Option 4: 85
Answer (1)
21st Jan, 2024
Correct Answer: 75
Solution :
Let the mean proportion between 25 and 225 by $x$.
So, $x=\sqrt{25\times 225}$
⇒ $x = \sqrt{5625} = 75$
Hence, the correct answer is 75.
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