A man purchases $32$ toffees and decides to divide them among his children in the ratio of their ages which are $3, 5 \text{and} 8$. How many toffees will each of the child get?

The following statement is true?

$15:16=5:4$

The following statement is true?

$21:6=42:30$

The following statement is true?

$10:15=30:45$

The following statement is true?

$95 \mathrm{kg} : 40 \mathrm{kg}=19 \mathrm{km} : 8\mathrm{km}$