Which of the following terms follows the trend of the given list?
PRRQPQPQ, PQRRPQPQ, PQPRRQPQ, PQPQRRPQ, PQPQPRRQ, _______
- ARRPQPQPQ
- BPRRQPQPQ
- CPQPQPQRR
- DPQRRPQPQ
Solution & Step-by-step Explanation
Let's trace the position of the substring 'RR' within each consecutive string block:
PRRQPQPQ → 'RR' starts at the 2nd position.
PQRRPQPQ → 'RR' starts at the 3rd position.
PQPRRQPQ → 'RR' starts at the 4th position.
PQPQRRPQ → 'RR' starts at the 5th position.
PQPQPRRQ → 'RR' starts at the 6th position.
Following this exact moving trend, the double letter 'RR' should shift one place to the right, starting at the 7th position.
The next term must be: PQPQPQRR
PRRQPQPQ → 'RR' starts at the 2nd position.
PQRRPQPQ → 'RR' starts at the 3rd position.
PQPRRQPQ → 'RR' starts at the 4th position.
PQPQRRPQ → 'RR' starts at the 5th position.
PQPQPRRQ → 'RR' starts at the 6th position.
Following this exact moving trend, the double letter 'RR' should shift one place to the right, starting at the 7th position.
The next term must be: PQPQPQRR