railway DFCCIL Junior Executive 2023 (CBT 1 & CBT 2) Mock Test Quantitative Aptitude Mensuration Plane Figures
The diameter of a circle is 15 cm. The square is formed whose side is the mean of the radius and diameter of the circle. Calculate the difference between the numerical value of the area and the perimeter of the square.
1
45
2
81.56
3
82.56
4
126.56