A body of mass 2 Kg makes an elastic collision with a second body at a rest and continues to move in the original direction but with one - fourth of its original speed. What is the mass of the second body?.

(a)  1.5 Kg

(b)  1.8 Kg

(c)   1.0 Kg

(d)   1.2 Kg.                                                          

                                                   [JEE Main April 2019]