The central angles $p, q, r$ and $s$ (in degrees) of four sectors in a Pie Chart satisfy the relation $9p=3q=2r=6s$. What is the value of $4p-q$?

Three numbers are in the ratio 2:3:5. If the sum of their squares is 950, then what are the numbers?

If we divide 184 kg in the ratio 2 : 3 : 3, the relevant measures in kg are:

(A) 26, 79 and 79 

(B) 6, 89 and 89 

(C) 46, 79 and 79 

(D) 46, 69 and 69 

Of three positive numbers, the ratio of first and second is $5:6$ and that of second and third is $9:1$. The product of the first and third number is $480$. What is the sum of the three numbers? 

Consider the following statements
I. $\underset{n\to \infty }{\lim }\frac{2^n+(-2{)}^n}{2^n}$ does not exist
II. $\underset{n\to \infty }{\lim }\frac{3^n+(-3{)}^n}{4^n}$ does not exist
Then

In a mixture of $165$ litres, the ratio of liquids $X$ and $Y$ is $6:5$. If $5$ litres of liquid $Y$ is added in the mixture, then what is the ratio of $X$ and $Y$ in the new mixture ?

If the sum of two numbers is equal to seven times of their difference, then what is the ratio of the numbers?