The difference between the average of P and Q and the average of Q and R is 25. What will be the difference between P and R?
Answer & explanation
Correct answer: option 2
According to question ,
\(\frac{P + Q }{2}\) - \(\frac{Q + R }{2}\) = 25
\(\frac{P + Q - Q - R }{2}\)= 25
P - R = 50
So , Difference in P & R is 50