The average weight of three boys P, Q and R is 54 kg, while the average weight of three boys Q, S and T is 60 kg. What is the average weight of P, Q, R, S and T?
Options
A) 66.4 kg
B) 63.2 kg
C) 58.8 kg
D) Data Inadequate
E) None of these
Explanation:   Total weight of (P + Q + R) = {54*3= 
<gadget id="calculator">54*3</gadget>
<output>162</output>
162 kg   Total weight of(Q + S + T)= (60 *3)= 
<gadget id="calculator">(60 *3)</gadget>
<output>180</output>
180 kg   Adding both, we get : P + 2Q + S + R + T= (162 + 180)= 
<gadget id="calculator">(162 + 180)</gadget>
<output>342</output>
342 kg   So, to find the average weight of P, Q, R, S &amp; T, we ought to know Q's weight, which is not given.   The data is inadequate   ANSWER: Data Inadequate
<result>D</result>
The average weight of three boys P, Q and R is 54 kg, while the average weight of three boys Q, S and T is 60 kg. What is the average weight of P, Q, R, S and T?