A lady starts from P towards Q and realizes that at a point R, if he walks 50 km further he will be at a point S, which is as far away from R as it is from Q. What is the distance between P and Q if the distance between P and R is half the distance from R to Q?( Assume that P, Q, R and S are all on the same straight line) Choose the correct choice
A) 150 km  B) 200 km  C) 250 km  D) 125 km  E) 155 km
P___50_____ R ___50_____S____50 ___Q   The above figure gives the locations of P, R, S &amp;Q in relation to each other.   150 kmNSWER:150 km
<result>A</result>
A lady starts from P towards Q and realizes that at a point R, if he walks 50 km further he will be at a point S, which is as far away from R as it is from Q. What is the distance between P and Q if the distance between P and R is half the distance from R to Q?( Assume that P, Q, R and S are all on the same straight line)