Gujarat BoardEnglish MediumSTD 7MATHSComparing Quantities1 Mark
Question
$15\ kg$ is _______$\%$ of $50\ kg.$
✓
Answer
Let $x\%$ of $50\ kg$ be $15\ kg.$
Then, $\frac{\text{x}}{100}\times50=15$
$\Rightarrow\frac{\text{x}}{2}=15$
$\Rightarrow\text{x}=15\times2$
$\therefore\text{x}=30\%$
Hence, $15\ kg$ is $30\%$ of $50\ kg.$
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