A person can't see objects nearer than 75 cm from his eyes while a person with normal vision can see objects upto 25 cm from his eyes. Then the correcting lens is
converging, f = 25 cm, D = 4.
diverging, f = 24.6 cm, D = - 37.5
converging, f= 75 cm, D - 2.46 D
converging, f = 37.5 cm, P = 2.46 D