Verbal Reasoning - Mental Ability Questions

After interchanging + & x and 12 &18, which of the following equations will hold true?

Anand is son of Prema. Rajeev is brother of Prema. Neha is daughter of Rashmi . Neha is sister of Rajeev. How is Anand related to Rashmi ?

In the following question, select the related word from the given alternatives.
Frog : Amphibian : : Lizard : ?

Select the related number from the given alternatives.
3/7 : 7/3 :: 9/2 : ?

From the given words, select the word which cannot be formed using the letters of the given word.
FAMISHED

Looking at a lady, Joey said, "She is the mother of my mother's mother-in-law's husband". How is the lady related to Joey's father?

P is S's mother's only son's wife. How is P related to S?

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it? a_c_e_b_de