There are six persons $A, B, C, D, E$ and $F$ in a school. Each of the teachers teaches two subjects,one compulsory subject and the other optional subject. $D$'s optional subject was History while three others have it as a compulsory subject. $E$ and $F$ have Physics as one of their subjects. $F$'s compulsory subject is Mathematics,which is an optional subject of both $C$ and $E$. History and English are $A$'s subjects,but in terms of compulsory and optional subjects,they are the reverse of those of $D$. Chemistry is an optional subject of only one of them. The only female teacher in the school has English as her compulsory subject. Which of the following groups has History as the compulsory subject?
- A$A, C, D$
- B$B, C, D$
- C$C, D$
- D$A, B, C$
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There are five persons $P, Q, R, S$ and $T$. One is a football player,one is a chess player,and one is a hockey player. $P$ and $S$ are unmarried ladies and do not participate in any game. None of the ladies plays chess or football. There is a married couple in which $T$ is the husband. $Q$ is the brother of $R$ and is neither a chess player nor a hockey player. Who is the hockey player?
Medium
View SolutionThere is a group of five persons $A, B, C, D$ and $E$. In the group,there are a Professor of Philosophy,a Professor of Psychology,and a Professor of Economics. $A$ and $D$ are ladies who have no specialization in any subject and are unmarried. No lady is a philosopher or an economist. There is a married couple in the group of which $E$ is the husband. $B$ is the brother of $C$ and is neither a psychologist nor an economist. Who is the Professor of Economics?
Medium
View SolutionClearly,$Q$ is neither a hockey player nor a chess player. So,he must be a football player and thus cannot be a lady. $T$ is a husband (not a lady) and so must be a chess player. Hence,$R$ must be a hockey player,and therefore she must be a lady and $T$'s wife. So,the information can be summarised as follows:
$P -$ unmarried lady,does not participate in games.
$Q -$ brother of $R$,football player.
$R -$ hockey player,$T$'s wife.
$S -$ unmarried lady,does not participate in games.
$T -$ husband of $R$,chess player.
Who is the chess player?
$P -$ unmarried lady,does not participate in games.
$Q -$ brother of $R$,football player.
$R -$ hockey player,$T$'s wife.
$S -$ unmarried lady,does not participate in games.
$T -$ husband of $R$,chess player.
Who is the chess player?
Medium
View SolutionIn an examination,Raj got more marks than Mukesh but not as many as Priya. Priya got more marks than Gaurav and Kavita. Gaurav got less marks than Mukesh but his marks are not the lowest in the group. Who is second in the descending order of marks?
Medium
View SolutionThere is a group of five persons $A, B, C, D$ and $E$. In the group,there is a Professor of Philosophy,a Professor of Psychology,and a Professor of Economics. $A$ and $D$ are ladies who have no specialization in any subject and are unmarried. No lady is a philosopher or an economist. There is a married couple in the group of which $E$ is the husband. $B$ is the brother of $C$ and is neither a psychologist nor an economist.
Who is the Professor of Philosophy?
Who is the Professor of Philosophy?
Medium
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