$(6990 \div 15) \times (468 \div 18) = ?$

$3648.24 + 364.824 \div ? - 36.4824 = 3794.1696$

$\frac{3}{7}$ of $\frac{49}{6}$ of $\frac{4}{7} = ?$

Which fraction among $\frac{2}{3}$,$\frac{4}{5}$,and $\frac{7}{11}$ is the largest?

The sum of three numbers is $2$. The $1^{\text{st}}$ number is $\frac{1}{2}$ times the $2^{\text{nd}}$ number and the $3^{\text{rd}}$ number is $\frac{1}{4}$ times the $2^{\text{nd}}$ number. The $2^{\text{nd}}$ number is

The sum of $33 \%$ of a number and $14 \%$ of the same number is $3055$. What is $72 \%$ of that number?