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
Correct Answer: Q S R R P R Q
Solution :
Given:
P _ R R _ P Q _ _ S _ Q R _ S P _ R R S
To fill the series we have to divide the series – P _ R R _ / P Q _ _ S / _ Q R _ S / P _ R R S
Let's check each option –
First option:
R Q P Q R S Q; P
R
R R
Q
/ P Q
P
Q
S /
R
Q R
S
S / P
Q
R R S (No repeated pattern has been found)
Second option:
S Q R R Q P R; P
S
R R
Q
/ P Q
R
R
S /
Q
Q R
P
S / P
R
R R S (No repeated pattern has been found)
Third option:
S Q Q R R P Q; P
S
R R
Q
/ P Q
Q
R
S /
R
Q R
P
S / P
Q
R R S (No repeated pattern has been found)
Fourth option:
Q S R R P R Q; P
Q
R R
S
/ P Q
R
R
S /
P
Q R
R
S / P
Q
R R S (PQRRS is repeated in the series)
So, the series becomes→P Q R R S P Q R R S P Q R R S P Q R R S. Hence, the fourth option is correct.
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