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Question

The sum of a fraction and 2 times its reciprocal is 67/21. What is the fraction?

A

57
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B

73
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C

67
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D

B or C
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E

None of the above
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Solution

The correct option is B
73
Let the fraction be = x

Then, x + 2x = 6721 21 (x2 + 2) = 67x

21 x2 - 67x + 42 = 0

x=67±3142=73 or 67

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