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Class 9-10, JEE & NEET
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The [HCF × LCM] for the numbers 50 and 20 is
Here we have to find $H C F \times L C M$ of 50 and 20 .
We know the product of $H C F$ and $L C M$ of two numbers $a$ and $b$ is the product of $a$ and $b$. Therefore $H C F \times L C M$ of 50 and 20 is as follow
$H C F \times L C M=50 \times 20$
Hence the correct option is (c).