The average weight of three boys M, N and P is 54 1/3 kg, while the Average weight of three boys N, Q and R is 53 kg. What is the average weight of M, N, P, Q and R?
Choose the correct answer.
A) 52.4 kg	B) 53.2 kg	C) 53.8 kg	D) Data Inadequate	E) None of these
Explanation :   Total weight of (M + N + P) = 54 1/3 x 3 kg = 163 kg.   Total weight of (N + Q + R) = (53 x 3) kg = 159 kg.   Adding both, we : M + 2N + P + Q + R = (163 + 159)= 
<gadget id="calculator">(163 + 159)</gadget>
<output>322</output>
322 kg.   So, to find the average weight of M, N, P, Q and R, we ought to know Ns weight, which is not given. So, the data is inadequate.   Answer : Data Inadequate
<result>D</result>
The average weight of three boys M, N and P is 54 1/3 kg, while the Average weight of three boys N, Q and R is 53 kg. What is the average weight of M, N, P, Q and R?