SarkariPYQ

SSC CGL 2021 PYQ — Question 74

SSC CGL - 24 Aug 2021 - Shift 2 • Quantitative Aptitude • Q74

Back to paper

If x - 2x\frac{2}{x} = 15, then what is the value of ?

Show answer & explanation

Correct answer: A

Explanation

The correct answer is option 1 i.e. 229

 x - 2x\dfrac{2}{x} = 15

Square on both sides :

x2 + (4/x2) - 4 = 225

⇒ x2 + (4/x2) = 229