The length of a rectangle is 18 cm and its breadth is 10 cm. When the length is increased to 25 cm , what will be the breadth of the rectangle if the area remains the same ?
সমাধান
সঠিক উত্তর: Option C
A1 = 18 X 10 = 180 cm2
A2 = 25x
25x = 180
=> x = 280/25 = 7.2
