Objective distance, u = 27 cm
Object height, h = 7 cm
Focal length, f = 30 cm
R = 2f, f = -18 cm
As per mirror formula
Screen should be placed in front of mirror at the distance of = 54 cm
Negative sign of magnification indicates image is real Magnification,
h1 = 7 × (2) = -14 cm
Image is inverted because of negative sign.