Zeal Test Series 2019: Set Theory & Algebra - Lattice

Question

My doubt is in second hasse diagram for (I,g) lub should be I and j so it is not lattice please correct me if i amwrong 

Comments

i think in fig 1 b and d doesn't have LUB so fig 1 is not a lattice.pls correct if  am wrong

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i think in fig 1 b and d doesn't have LUB so fig 1 is not a lattice.

Correct. 

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@ Deepakk Poonia In Figure 1, along with (b,d),  b and c doesn't have LUB, c and d doesn't have LUB as well.Am I Right ?