2. Questions Bank
  3. 7th Class
  4. Mental Ability
  5. Numbers

7th Class Mental Ability Numbers Question Bank Number System

  • question_answer
    The perimeter is rectangle is \[\mathbf{3}\frac{\mathbf{1}}{\mathbf{3}}\]more than the perimeter of square. A triangle whose perimeter is \[\frac{\mathbf{1}}{\mathbf{3}}\] times of the circumference of the circle whose radius is 5 cm and is equal to the length of sides of the square. Find the perimeter of rectangle is:

    A) \[23.\overline{3}\,\,\]

    B)   \[15\frac{1}{3}\]

    C) \[15\frac{1}{9}\]           

    D)   \[25\frac{1}{9}\]

    E) None of these

    Correct Answer: A

    Solution :

    Explanation \[\operatorname{Perimeter} of square= 4\,\,\times \,\,5cm\] \[\operatorname{Perimeter}\,\,of\,\,rectangle\,\,=\,\,20+3\frac{1}{3}=23\frac{1}{3}=23.\overline{3}.\]        


You need to login to perform this action.
You will be redirected in 3 sec spinner