Question
What should come in place of both x in the equation \(\frac{x}{128} = \frac{162}{x}.\)
Answer: Option A
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\(Let\frac{x}{128} = \frac{162}{x}\)
Then x2 = 128 x 162
= 64 x 2 x 18 x 9
= 82 x 62 x 32
= 8 x 6 x 3
= 144.
Therefore x = 144 = 12.
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