Thrice a fraction is greater than its reciprocal by 46 / 7. What is the fraction?
Thrice a fraction is greater than its reciprocal by 46 / 7. What is the fraction? Correct Answer 7 / 3
Given: Thrice a fraction is greater than its reciprocal by 46 / 7
Concept Used: In this type of question, fraction can be determined by the help of below formula
Formula Used: if a fraction is in the form (y / z), then its reciprocal is (z / y)
Calculation: let the fraction be (y / z), using the above formulae, we get
⇒ 3 × (y / z) = (z / y) + 46 / 7
⇒ 3 / (z / y) = (z / y) + 46 / 7
⇒ 7a2 + 46 a - 21 = 0 {a = (z / y)}
⇒ a = - 7, 3 / 7 ;
∴ As per the option fraction(y / z) = 7 / 3.
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Feb 20, 2025