Question
Seven person namely – G, H, I, J, K, L and M have
different height. How many person are taller to J? Statement I: J is taller to K, H but not as much as G, I. K is taller to M, L but not as much as I, J. I is only short to one person and L is shortest among all. Statement II: K is taller to M, L but not as much as I, J. H is taller to K, M but not as much as J, I. G is tallest among all. M is only taller to L. Each of the questions below consists of a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statements are sufficient to answer the question:Solution
We have: G, I > J > K, H.  J, I > K > M, L. I is only short to one person. L is shortest among all. Based on above given information we have: 
Clearly, height of only two person are more than J. Hence, statement I is alone sufficient. From II: We have:  I, J > K > M, L.  J, I > H > K, M.  G is tallest among all. M is only taller to L. Based on above given information we have: 
Clearly, exact height of J is not known. Hence, statement II is not sufficient.
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