Seven persons P, Q, R, S, T, U and V particip | vedclass

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Question

(C) Given conditions:$1$. Order: $V > P > Q$ (where $>$ means finishes ahead of).$2$. Case $1$: $R$ is $1^{st}$ and $T$ is $7^{th}$.$3$. Case $2$: $S$

Vedclass · Accepted Answer

$S$ finishes first.

Vedclass · Answer

(C) Given conditions:$1$. Order: $V > P > Q$ (where $>$ means finishes ahead of).$2$. Case $1$: $R$ is $1^{st}$ and $T$ is $7^{th}$.$3$. Case $2$: $S$ is $1^{st}$ and ($U$ or $Q$) is $7^{th}$.Given $V$ is $5^{th}$:Since $V > P > Q$,$P$ and $Q$ must finish after $V$. Thus,$P$ and $Q$ must occupy positions $6$ and $7$ (in that order).This implies $Q$ is $7^{th}$.Now,check the cases:Case $1$: If $R$ is $1^{st}$ and $T$ is $7^{th}$,this contradicts $Q$ being $7^{th}$. So,Case $1$ is impossible.Case $2$: $S$ is $1^{st}$ and ($U$ or $Q$) is $7^{th}$. Since $Q$ is $7^{th}$,this condition is satisfied.Positions:$1^{st}: S$$2^{nd}, 3^{rd}, 4^{th}: R, T, U$ (in any order)$5^{th}: V$$6^{th}: P$$7^{th}: Q$Looking at the options,$S$ finishing $1^{st}$ is the only statement that must be true.

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