8th Class Mathematics Related to Competitive Exam Question Bank Series

  • question_answer
     a a b ? a a a ? b b a ?

    A) b b a        

    B) a b b

    C) b a b                           

    D) b b b

    Correct Answer: A

    Solution :

    Observe the above letter series (i) The first blank space should be filled in by V so that two a' are (ii) The second blank space should be filled in by either 'a' in which case four 'a's are followed by two V s. or it should be filled in by 'b' s. (iii) The last space must be filled in by 'a' (iv) Possible answers are b a a or b b a. Since the alternatives contains only 'b a a. (1) is the answer. (v) In case both 'baa' and 'b b a' has appeared as possible alternatives, then we would choose one which is more prominent pattern. a a b b/a a a b b b/a a would be a better choice so that the answer in that case would be b b a.                   


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