Question
The sum and product of two numbers are 18 and 72,
respectively. If 'b' represents the sum of their reciprocals, then which of the following is true.Solution
ATQ, Let the numbers be x and y. Given, x + y = 18 and xy=72. According to the question, b = [(1/x)+(1/y)] = {(x+y)/xy} So, b = 18/72 = 0.25, which is less than 0.5.
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