Taking the relative density of aluminium as 2.4, the tension in the wire will be

Question

A block of aluminium having mass of 12 kh is suspended by a wire nd lowered until submerged into a tank containing oil of relative density 0.8. Taking the relative density of aluminium as 2.4, the tension in the wire will be (take g = 10 m/s²)

                                               

(a) 12000N                  (b) 800BN      

(c) 120N                      (d) 80N