question_answer

In the following list of letters, how many B's are followed by Q's but not preceded by D's? D B Q B D Q B D B D Q D B Q D S D Q P B Q D S S S Q D B Q B Q D B Q D D D B Q

A) 0                           

B) 2             

C) 3                           

D) 4

Correct Answer: B

Solution :

Sequence we are looking: This sequence occurs two times. Hence, the answer is [b].