An intermediate T-beam reinforced with two layers of tensile steel with clear cover 13 cm encasted with the floor of a hall 12 metres by 7 metres, is

An intermediate T-beam reinforced with two layers of tensile steel with clear cover 13 cm
encasted with the floor of a hall 12 metres by 7 metres, is spaced at 3 metres from adjoining
beams and if the width of the beam is 20 cm, the breadth of the flange is

(A) 300 cm

(B) 233 cm

(C) 176 cm

(D) 236 cm

The correct Answer Is
(C) 176 cm