Question

A number is called a __ if the sum of all it's factor is equal to twist the number​

Answer 1

Step-by-step explanation:

How the cost of production is calculated with the help of variable costing?

Answer 2

Answer:

$\Huge {\mathfrak {\blue{A}{\red{n} {\pink{s}{\purple{w}{\orange{e}{\green{r}}}}}}}}$

$\large \mathbf \green{Perfect \:number}$

A number is called a Perfect number. if the sum of all it's factor is equal to twist the number.