Integers Test -...

Simplify: $$(-4)\times 63 = x \times 21$$.

Simplify the following :-
$$(-441)\div(21)$$=?

$$-32\times x= 160$$, $$-23\times y= -115$$
What is the value of $$x\div y$$?

What is the value of $$x$$ in the following equation?
$$-319\div  x =-11$$.

Simplify the following :-
$$\dfrac{39\times(-42)}{(-13)}$$= ?

Compare and put the appropriate sign.
$$-219\;\square 212$$..

Compare and put the appropriate sign in the box.
$$-210\;\square-211$$.

___________ is a bigger number than any negative integers and smaller number than any positive integers.

What will be the sign of the product if we together multiply $$199$$ negative integers and $$10$$ positive integers?