In the following letter series, how many times do PQR occur in such a way that Q is in the middle of P and R?
Q M P N P Q R R O P Q N O P P Q R P M Q R O P Q R P P R R P Q R P
1
5
2
6
3
4
4
3
In the following letter series, how many times do PQR occur in such a way that Q is in the middle of P and R?
Q M P N P Q R R O P Q N O P P Q R P M Q R O P Q R P P R R P Q R P