MCQ
Solve : $2\frac{5}{7}\text{%}$ of $280 {\text{cm}}.$
  • A
    $2.80\ cm$
  • B
    $80\ cm$
  • $7.6\ cm$
  • D
    $280\ cm$

Answer

Correct option: C.
$7.6\ cm$

$\Rightarrow2\frac{5}{7}\text{%} $ of $280$
$=\frac{19}{7}\text{%}$ of $280$
$=\frac{19}{7}\times\frac{280}{100}$
$=19\times\frac{4}{10}$
$\frac{76}{10}=7.6$
So $2\frac{5}{7}\text{%}$ of $280\text{cm}$ is $7.6\text{cm}.$

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