Out of the total candidates that appeared for a competitive examination, $20$ % qualified and $10 %$ of the qualified candidates got finally selected. If $290$ candidates were finally selected then how many candidates appeared ?

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Solution

Let the number of candidates appeared be $x$
Then number of candidates who qualified $= 20 %$ of $x =$ $\frac{x}{5}$
Number of candidate selected $= 10 %$ of $\frac{x}{5} = \frac{x}{50}$
Given, $\frac{x}{50} = 290$
$\Rightarrow x = 14500$

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Out of the total candidates that appeared for a competitive examination, 20% qualified and 10% of the qualified candidates got finally selected. If 290 candidates were finally selected then how many candidates appeared ?

Let the number of candidates appeared be xThen number of candidates who qualified =20% of x= x5Number of candidate selected =10% of x5=x50Given, x50=290⇒x=14500

Out of the total candidates that appeared for a competitive examination, $20$ % qualified and $10 %$ of the qualified candidates got finally selected. If $290$ candidates were finally selected then how many candidates appeared ?

Let the number of candidates appeared be $x$
Then number of candidates who qualified $= 20 %$ of $x =$ $\frac{x}{5}$
Number of candidate selected $= 10 %$ of $\frac{x}{5} = \frac{x}{50}$
Given, $\frac{x}{50} = 290$
$\Rightarrow x = 14500$