The ratio of two numbers is $3:4$ and their $LCM$ is $180$. The second number is:

When $30$ percent of one number is subtracted from another number,the second number reduces to its four-fifth. What is the ratio between the first and the second number respectively?

If $10 \%$ of $x = 20 \%$ of $y,$ then $x : y$ is equal to

₹ $1050$ are divided among $A, B$ and $C$ in such a way that the share of $A$ is $\frac{2}{5}$ of the combined share of $B$ and $C$. $A$ will get (in ₹):

Find the $4^{th}$ proportional to $4, 16$ and $7$.

If $a: b: c = 3: 4: 7,$ then the ratio $(a+b+c): c$ is equal to