In case of brasses, with decreasing zinc percentage and increasing copper percentage, its __________ increases.
(A) Percentage elongation
(B) Brinell hardness
(C) Tensile strength
(D) All 'a', 'b' & 'c'
(A) Percentage elongation
(B) Brinell hardness
(C) Tensile strength
(D) All 'a', 'b' & 'c'