Which of the following statements is /are definitely false?
I. M sits at extreme left end of the row
II. Five persons sit to the right of Z  
III. E sits fifth to the right of L

Solution

M sits fourth to the right of U. U sits immediate right of Z. Three persons sit between Z and Y. There will be two cases: Y can sit to right or left of Z. Z  U   ____   ____   Y   M                 CASE 1. Y ___ ____ ___ Z  U   ____   ____   ____   M CASE 2. Two persons sit between Y and T, who doesn’t sit adjacent to Z. Two persons sit between T and L. Z  U   ____   ____   Y   M ___ T ___ ___ L                 CASE 1. L ___   ____ T ___   _____ Y ___ ____ ___ Z  U   ____   ____   ____   M CASE 2. L sits seventh from one of the extreme ends of the row. H sits third to the left of L. E sits second to the left of H. Case 1 will get discarded as we cannot place H. Z  U   ____   ____   Y   M ___ T ___ ___ L ___   ____   ____   ____   ____   ____                 CASE 1. ___   E   ____   H   ____   ____ L ___   ____ T ___   _____ Y ___ ____ ___ Z  U   ____   ____   ____   M CASE 2. Final arrangement as shown below: ___   E   ____   H   ____   ____ L ___   ____ T ___   _____ Y ___ ____ ___ Z  U   ____   ____   ____   M