A, K, M and P are 4 friends. Who among them is the heaviest?
Statement I: P is heavier than M and K but lighter than A.
Statement II: M is lighter than P and A but heavier than K.
If the data in statement I alone is sufficient to answer the question, while the data in statement II alone is not sufficient to answer the question
From I, we have: P > M, P > K, A > P.
Thus, A > P > M > K or A > P > K > M (Here, A is heaviest certainly).
From II, we have: P > M, A > M, M > K.
Thus, A > P > M > K or P > A > M > K (Here, we cannot say who among A and P is the heaviest).