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  5. Area, Perimeter and Volume

5th Class Mathematics Area, Perimeter and Volume Question Bank Perimeter and Area

  • question_answer
    A big rectangle is made up of 81 small rectangles. After removing some small rectangles from the big rectangle, the given figure is obtained. The length of a small rectangle is 3 cm and its breadth is 2 cm. Find the total area of the rectangles removed.

    A)  81 sq. cm        

    B)  114 sq. cm

    C)  129 sq. cm       

    D)  90 sq. cm

    Correct Answer: B

    Solution :

    : Area of 1 small rectangle \[=3\times 2=6\text{ }sq.\text{ }cm\] Number of rectangles removed =19 \[\therefore \]   Total area of rectangles removed \[=19\times 6\text{ }sq.\text{ }cm=114\text{ }sq.\text{ }cm\]


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