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Given statements: T < V ≤ R; S > E ≥ Q; V = Q

On combining: T < V = Q ≤ R; V = Q ≤ E < S 

Conclusions:

I. T < S → True (T < V = Q and V = Q ≤ E < S → T < S)

II. S ≥ V → False (V = Q ≤ E < S → V < S)

Thus, the only conclusion I is true.

Given statements: V ≥ D ≥ F; E < S ≤ W; F > K = W

On combining: V ≥ D ≥ F > K = W ≥ S > E

Conclusions:

I. F > S → True (F > K = W ≥ S → F > S)

II. E ≤ V → False (V ≥ D ≥ F > K = W ≥ S > E → V > E)

Thus, only conclusion I is true.

Table show alphabet serial number –

The logic is shown below –

Hence, “ZAC” is the missing term that completes the series.

The table is drawn describing symbols and their meanings,

1- B is the son of E who is the daughter-in-law of A.

2- I is the father of G.

3- C is the mother of D who is the father of F.

4- D is the son-in-law of H.

5- G is unmarried and the aunt of F.

6- I is not married to C. So A is married to C and H is married to I.

Final Arrangement:

Hence, B is the grandson of A.

The table is drawn describing symbols and their meanings,

1- B is the son of E who is the daughter-in-law of A.

2- I is the father of G.

3- C is the mother of D who is the father of F.

4- D is the son-in-law of H.

5- G is unmarried and the aunt of F.

6- I is not married to C. So A is married to C and H is married to I.

Final Arrangement:

Hence, G is the sister in law of D.

The table is drawn describing symbols and their meanings,

1- B is the son of E who is the daughter-in-law of A.

2- I is the father of G.

3- C is the mother of D who is the father of F.

4- D is the son-in-law of H.

5- G is unmarried and the aunt of F.

6- I is not married to C. So A is married to C and H is married to I.

Final Arrangement:

Hence, I is the father of E.

Given: MERCHANT

hence, ‘More than Four’ pairs of letters are there in the word ‘MERCHANT’, each of which has as many letters between them in the word (both forward and backward direction) as they have between them in the English Alphabet.

Seven friends - P, Q, R, S, T, U, and V.

(1) R is sitting second to the left of T.

(2) Only three people are sitting between S and T when counted from the right of T.

(3) P sits second to the right of R.

(4) T is not an immediate neighbor of V.

(5) U sits third to the left of V.

(6) Immediate neighbors of V are facing in the opposite of V.

(7) S and U are facing in the same direction and it is given that three of the friends are facing inside and the rest are facing outside. Therefore case I eliminates here.

Thus, the final seating arrangement is as follows:

Hence, U sits second to the right of S.

Seven friends - P, Q, R, S, T, U, and V.

(1) R is sitting second to the left of T.

(2) Only three people are sitting between S and T when counted from the right of T.

(3) P sits second to the right of R.

(4) T is not an immediate neighbor of V.

(5) U sits third to the left of V.

(6) Immediate neighbors of V are facing in the opposite of V.

(7) S and U are facing in the same direction and it is given that three of the friends are facing inside and the rest are facing outside. Therefore case I eliminates here.

Thus, the final seating arrangement is as follows:

We can see that all the persons are facing outside the table thus form a group except Q.

Hence, Q does not belong to that group.

Seven friends - P, Q, R, S, T, U, and V.

(1) R is sitting second to the left of T.

(2) Only three people are sitting between S and T when counted from the right of T.

(3) P sits second to the right of R.

(4) T is not an immediate neighbor of V.

(5) U sits third to the left of V.

(6) Immediate neighbors of V are facing in the opposite of V.

(7) S and U are facing in the same direction and it is given that three of the friends are facing inside and the rest are facing outside. Therefore case I eliminates here.

Thus, the final seating arrangement is as follows:

Hence, three people sit between R and V when counted from the left of R.

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