If a concrete column 200 × 200 mm in cross-section is reinforced with four steel bars of 1200
mm2
total cross-sectional area. Calculate the safe load for the column if permissible stress in
concrete is 5 N/mm2
and Es
is 15 Ec
(A) 264 MN
(B) 274 MN
(C) 284 MN
(D) 294 MN