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1 vote
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A certain number when added to $50\%$ of itself is $27$. What is the number?

  1. $7$
  2. $9$
  3. $11$
  4. $18$
in Quantitative Aptitude 9.4k points 41 652 824
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1 Answer

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Let's call the unknown number $x$.

 $\text{x+(50%of x) = 27}$

 $\implies \text{x+0.5x =27}$

 $\implies\text{1.5x=27}$

$\implies x=\frac{27}{1.5}$

 $\implies\text{x=18}$

So option $(D)$ is correct.
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