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the reciprocal of 4

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the reciprocal of 4 [#permalink] Post   16 Jun 2022, 14:45
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Quantity A
Quantity B
the reciprocal of 4
\( \sqrt{\frac{1}{16}} \)



A. Quantity A is greater
B. Quantity B is greater
C. The two quantities are equal
D. The relationship cannot be determined from the information given

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C
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alsafaj
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Re: the reciprocal of 4 [#permalink] Post   17 Jun 2022, 06:58
1
Quantity A:
Reciprocal simply means inverse
Reciprocal of 4 is 1/4

Quantity B:
+1/4 (do not be confused by giving +/- roots)

Answer is (C)
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arjunbhat04
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Re: the reciprocal of 4 [#permalink] Post   17 Jun 2022, 09:31
Ans should be D right because quantity B can be -ve also

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the reciprocal of 4 [#permalink] Post   17 Jun 2022, 09:45
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arjunbhat04 wrote:
Ans should be D right because quantity B can be -ve also

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Please refer to quantitative review guid on exponents and roots theory.

It suffices to consider positive roots only when root values are not specified as opposed to e.g. \(x^2=16\) .. \(x=-4\) or \(x=+4\)

\(\sqrt{\frac{1}{16}}\) = \(+\frac{1}{4}\) only

It might be confusing, but if you refer to the guide, it'll be helpful what to consider!
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the reciprocal of 4 [#permalink]
17 Jun 2022, 09:45
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