Subject

    Quantitative Aptitude

    Topic

    Percentage

    What is 15 of 80 with simple method and examples?

    ক)
    12.5%
    খ)
    18.75%
    গ)
    16.55%
    ঘ)
    17.80%

    Explanation

    Given that to find 15 of 80 => What % of 80 is 15 Let it be 'p' => p% of 80 = 15 = p  ×  80100  =  15⇒p  =  15  ×  10080⇒p  =  150080  =  18.75\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×  8010015\times\frac{\;80}{100} = p => p = 4 x 3 = 12 Therefore, 15% of 80 = 12

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