There are eight persons F, G, H, I, J, K, L and M with different heights. Who is the third shortest person? Statement I:  F is shorter than only two persons. J is just shorter than
L. G is taller than F. Statement II: K is taller than H. G is shorter than
I. J is just taller than K. M is not taller than
L.

From Statement I alone: F is shorter than two persons. J is just shorter than L. G is taller than F. We get many cases as we cannot fix the places of J and V. Case I: G > __ > F > __ > __ > __ > __ > __ Case II: __ > G > F > __ > __ > __ > __ > __ From Statement II alone: K is taller than H. G is shorter than I. J is just taller than K. M is not taller than L. We get many cases as we cannot fix their positions. J > K > H , I > G and L > M After combining statements I and II, we get: I > G > F > L > J > K > H/M > M/H So, K is the third shortest person. Therefore, data given in both statement I and statement II together are sufficient to answer the question.