p - p q q q - r r r r s - s s r r r - q q - q p

A) p q s r q

B) p q r s q

C) p s q r r

D) r q s s q

Correct answer:
A) p q s r q

Description for Correct answer:
The series is p p p / q q q q / r r r r / s s s s /r r r r / q q q q / p


Please provide the error details in above question