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  3. 5th Class
  4. Mental Ability
  5. Shapes and Patterns

5th Class Mental Ability Shapes and Patterns Question Bank Patterns

  • question_answer
    How many shaded squares will be there in pattern 20?

    A) 25                               

    B) 30

    C) 35                               

    D) 40

    Correct Answer: D

    Solution :

    Number of shaded squares in pattern 1=2 Number of shaded squares in pattern 2=4 Number of shaded squares in pattern 3=6 So, Pattern followed is \[(1\times 2),(2\times 2),(3\times 2),....i.e.,\] \[\text{2,4,6,}...\] Hence, Number of shaded squares in pattern 20 =    \[20\times 2=40.\]


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