If the perimeter of a rectangle and a square, each is equal to 80 cms, and difference of their areas is 100 sq. cms, sides of the rectangle are:
A35 cm, 15 cm
B28 cm, 12 cm
C30 cm, 10 cm
D26 cm, 14 cm
A35 cm, 15 cm
B28 cm, 12 cm
C30 cm, 10 cm
D26 cm, 14 cm
Related Questions:
A hollow iron pipe is 21 cm long and its exterior diameter is 8 cm. If the thickness of the pipe is 1 cm and iron weighs 8 g/cm3, then the weight of the pipe is