Discussion

Explanation:

Let us rank their heights and their qualification on a scale from 1 to 6.
Rank 1 is the tallest and the most qualified and Rank 6 is the shortest and the least qualified.
Kamla is not the tallest. So Kamla's height can be any rank from 2 to 5.
Kripa is the least qualified amongst the daughters. So Kripa_Q = 6 (sub-script Q and H denote rank for qualification and height respectively).
From st iv, v and vi, we conclude that
Kamla_H > Kamlesh_H > Kriti_H > Kalpana_H > Kranti_H
But Kamla is not be the tallest. Therefore Kripa is the tallest and Kamla is the 2^nd tallest and the order follows as shown above.
From St ii, Kranti_Q = 1.
From St iii and from st vi, we conclude that
Kalpana_Q > Kamlesh_Q >Kriti_Q >Kamla_Q
Therefore on the basis of the qualification,
Kalpana's rank is 2, Kamlesh's rank is 3, Kriti's rank is 4 and Kamla's rank is 5.
The following table can be regarding their height and qualification:

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Decreasing order of height are the ranks starting from 1 upto 6.

Third tallest amongst all is Kamlesh

Hence, option (b).

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