Question

HCF of two numbersis 27 and their LCM is 162, if one of the number is 54, what is the other number
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Answer 1

Answer:

HCF×LCM=Product of the two numbers

=>27×162=54 × x

=>x=27×162/54

=>x=81

Answer 2

Given:

HCF=27

LCM= 162

First number = 54

To find:

Second number = ?

Solution:

Let the other number be x

LCM×HCF= Product of two numbers

162×27=54×x

$\frac{162 \times 27}{54} = x \\ 81 = x \\ x = 81$