What is 15 of 80 with simple method and examples?
Solution
Correct Answer: Option B
Given that to find 15 of 80
=> What % of 80 is 15
Let it be 'p'
=> p% of 80 = 15
= \(\begin{array}{l}\frac{\mathrm p\;\times\;80}{100}\;=\;15\\\Rightarrow\mathrm p\;=\;\frac{15\;\times\;100}{80}\\\Rightarrow\mathrm p\;=\;\frac{1500}{80}\;=\;18.75\end{array}\)
Therefore, 15 is 18.75% of 80 => 18.75% of 80 = 15
Example::
Now, in the similar way we can find 15% of 80 =?
=> \(15\times\frac{\;80}{100}\) = p
=> p = 4 x 3 = 12
Therefore, 15% of 80 = 12
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