Question : A number when divided by 78 gives the quotient 280 and the remainder 0. If the same number is divided by 65, what will be the value of the remainder?

Question : A positive integer, when divided by 425, gives a remainder of 45. When the same number is divided by 17, the remainder will be:

Question : If $\frac{x}{y}=\frac{4}{5}$, then the value of $(\frac{4}{7}+\frac{2y–x}{2y+x})$ is:

Question : Simplify the given expression and find the value for $x=-1$.
$\frac{10 x^2+5 x+2 x y+y}{5 x+y}$

Question : If 7 divides the integer n, then the remainder is 2. What will be the remainder if 9n is divided by 7?