In a certain code language,

In a certain code language, $R + T$ means ‘R is the sister of T’. $R – T$ means ‘R is the father of T’. $R * T$ means ‘R is the wife of T’. $R \div T$ means ‘R is the mother of T’. Based on the above, how is F related to C … Read more

Three of the following four letter-cluster pairs are…

Three of the following four letter-cluster pairs are alike in a certain way and thus form a group. Which is the letter-cluster pair that does NOT belong to that group? (Note: The odd one out is not based on the number of consonants/vowels or their positions in the letter-cluster.)