Multiplication and difference of two numbers are 93 and 28 respectively. Find the difference of reciprocals of the numbers.
Correct Answer: Option B
Let the numbers are x and y
∴x × y = 93 ____________(1)
x – y = 28 ____________(2)
Now reciprocals of the numbers \(= \frac{1}{x}and\frac{1}{y}\)
Then,
Required difference \(= \frac{1}{y} - \frac{1}{x} = \frac{{x - y}}{{xy}}\)
\(= \frac{{28}}{{93}}\)
Hence the required difference of the reciprocals of the numbers \(= \frac{{28}}{{93}}\)
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