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In such type of questions, clues are given regarding comparisons among a set of persons or things with respect to one or more qualities. The candidate is required to analyse the whole information, form a proper ascending / descending sequence and then answer the given questions accordingly.

(i). Seven students P, Q, R, S,  T, U and V take a series of tests.
(ii). No two students get similar marks.
(iii). V always scores more than P.
(iv). P always scores more than Q.
(v). Each time either R socres the highest and T gets the least, or alternatively S scores the highest and U or Q scores the least.

If R is ranked second and Q is ranked fifth, which of the following must be true ?

Option:
A. S is ranked third.
B. T is ranked sixth.
C. P is ranked sixth.
D. V is ranked fourth.
E. U is ranked sixth.
Answer: B . T is ranked sixth.

Justification:

In terms of scores, we have :
V > P, P > Q  i.e. V > P > Q.
If R scores the highest, we have R > ...... > T,
If S scores the highest, we have S > ...... > Q or S > ...... > U.

If R is ranked second, S will rank first and Q and U lowest. But Q ranks fifth. So, U ranks lowest. Also the order V > P > Q will be followed.

So ,the arrangement will be S > R > V > P > Q >
? > U. Thus, the sixth place will be occupied by T.

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