The average weight of 4 men A, B, C and D is 67 kg. Another man E joins the groups and the average now becomes

The average weight of 4 men A, B, C and D is 67 kg. Another man E joins the groups and the average now becomes 65 kg. If another man F, whose weight is 4 kg more than that of E, replaces A, then average weight of B, C, D, E and F becomes 64 kg. The weight of A is.

(a)          66kgs

(b)          65kgs

(c)           64kgs

(d)          67kgs

Sol: