Question : Directions: If P denotes multiplication, Q denotes subtraction, S denotes addition and R denotes division, which of the following equations must be true?

Option 1: 7 S 56 P 2 R 28 = 11

Option 2: 36 R 6 P 2 S 4 = 19

Option 3: 64 R 8 P 3 S 6 = 72

Option 4: 36 R 9 S 4 P 2 = 14

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 : If $ p(x+y)^{2}=5$ and $q(x-y)^{2}=3$, then the simplified value of $p^{2}(x+y)^{2}+4pq xy -q^{2}(x-y)^{2}$ is:

Option 1: $-(p+q)$

Option 2: $2(p+q)$

Option 3: $p+q$

Option 4: $-2(p+q)$

Question : Directions: If P denotes ×, Q denotes  ÷, R denotes +, and S denotes –, then what will come into place of ? in the following equation?
$\sqrt{256}$ P 3 S 66 Q 11 P 5 R 43 = ?

Option 1: 72

Option 2: 58

Option 3: 61

Option 4: 69

Question : If $3P=2Q$ and $2Q=3R$, then what is $P:Q:R$?

Option 1: $6:9:1$

Option 2: $2:3:2$

Option 3: $4:6:9$

Option 4: $4:6:1$