Verbal Reasoning - Mental Ability Questions

In the following question, select the related word pair from the given alternatives.
Heart : Organ : : ? : ?

Some equations have been solved on the basis of certain system. Find the correct answer for the unsolved equation on that basis. If 98-39-27=31, 87-38-34=20, then 79-25-12 = ?

If 23$35 = 13, 3$5 = 8 then what is the value of 4$13 = ?

How many squares are there in the square figure ABCD?

If 11$25 = 18, 12$20 = 16 then what is the value of 4$50 = ?

If 2*10 = 6, 14*16 = 15 and 4*16 = 10, then find the value of 16*8 = ?

Select the related word/letters/number from the given alternatives.
APPARENT : RENTAPPA : : MUSCULAR : ?

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

P_P_RPQ_S_Q_ST