Lokniket ratanpur B R s marit list

Question : If the average of $s$ numbers is $r^4$ and the average of $r$ numbers is $s^4$, then find the average of all $r+s$ numbers.

Option 1: $r s\left(r^2+s^2-r s\right)$

Option 2: $rs$

Option 3: ${r}^2+s^2$

Option 4: $rs\left(r^2+s^2\right)$

Question : Directions: Select the option that represents the letters that, when placed from left to right in the blanks below, will complete the letter series.
P _ R R _ P Q _ _ S _ Q R _ S P _ R R S

Option 1: R Q P Q R S Q

Option 2: S Q R R Q P R

Option 3: S Q Q R R P Q

Option 4: Q S R R P R Q

Question : Directions: R = S means R is the mother of S;
R @ S means R is the father of S;
R × S means R is the father’s sister of S;
R # S means R is the sister of S;
R & S means R is the daughter of S;
R * S means R is the brother of S.
How is Z related to Y in the following expression?
V × Y & X @ W * A & Z

Option 1: Sister

Option 2: Mother

Option 3: Father’s sister

Option 4: Mother’s sister