2. Questions Bank
  3. 4th Class
  4. Mental Ability
  5. Patterns

4th Class Mental Ability Patterns Question Bank Patterns

  • question_answer
    There are 80 books in shelf 1, 90 books in shelf 2, 100 books in shelf 3 and 110 books in shelf 4 of a library. How many books will be there in shelf 6. ?

    A) 120                        

    B) 140         

    C) 130                        

    D) 135

    Correct Answer: C

    Solution :

    The pattern is a follows:
    Shelf 1 80
    Shelf 2 80+10=90
    Shelf 3 90+10=100
    Shelf 4 100+10=110
    Shelf 5 110+10=120
    Shelf 6 120+10=130
    So, there will be 130 books in Shelf 6.


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