Question

If

$A+B$ means $B$ is the brother of $A$;

$A\times B$ means $B$ is the husband of $A$;

$A-B$ means $A$ is the mother of $B$ and

$A$ % $B$ means $A$ is the father of $B$,

which of the following relations shows that $Q$ is the grandmother of $T$ ?

• A. $Q-P+R$ % $T$
• B. $P\times Q$ % $R-T$
• C. $P\times Q$ % $R+T$
• D. $P+Q$ % $R-T$

Answer 1

The correct option is A $Q-P+R$ % $T$

$Q-P\to Q$ is the mother of $P$
$P+R\to R$ is the brother of $P$
Hence, $Q$ is the mother of $R$
$R$ % $T\to R$ is the father of $T$.
Hence, $Q$ is the grandmother of $T$.

option A.