If ` p : q :r :s = 3 : 4 : 7 : 8 and p+s=55`, then find q + r.

If P : Q : R = 6 : 7 : 8 and R : S = 3 : 5, then what is P : S?

If P: Q = 2 : 3 , Q : R = 5 : 7 and R : S = 3 : 10 then P : S = ?

In Fig. 6.43, if P Q_|_P S , P Q|| S R , /_S Q R=28^@ and /_Q R T=65^@ , then find the values of x and y.

In Fig. 6.43, if P Q_|_P S , P Q|| S R , /_S Q R=28^@ and /_Q R T=65^@ , then find the values of x and y.

If P - Q - R and d(P,Q) = 3.4 , d(Q,R) = 5.7 then find d(P,R) = ?

If p, q and r are perpendicular to q + r, r + p and p + q respectively and if |p + q| = 6, |q + r| = 4sqrt(3) and |r + p| = 4, then |p + q + r| is

In figure, if P Q_|_P S ,P Q|| S R ,/_S Q R=28^0 and /_Q R T=65^0, then find the values of x and ydot Figure

In Figure, if P Q_|_P S ,\ P Q S R ,\ /_S Q R=28^0a n d\ /_Q R T=65^0, then find the values of x\ a n d\ y

If p + r = 2q and 1/q + 1/s = 2/r , then prove that p : q = r : s .