$\frac{4}{3}$ of a certain number is $64$. Half of that number is

How many numbers between $150$ and $500$ are divisible by $2, 3,$ and $7$ together?

$\sqrt{2498} \times \sqrt{626} \div \sqrt{99} = ?$

If the sum of two numbers is $22$ and the sum of their squares is $404,$ then the product of the numbers is

$A$ number when divided by $44$, gives $432$ as quotient and $0$ as remainder. What will be the remainder when dividing the same number by $31$?

If $x[-2\{-4(-a)\}]+5[-2\{-2(-a)\}]=4 a,$ then $x=$