The expression for moment of resistance(Mu) of a singly reinforced section is, if the grade of steel in Fe415
[ A ] 0.149 fck bd2
[ B ] 0.138 fck bd2
[ C ] 0.125 fck bd2
[ D ] 0.0120 fck bd2
[ A ] 0.149 fck bd2
[ B ] 0.138 fck bd2
[ C ] 0.125 fck bd2
[ D ] 0.0120 fck bd2