The stresses developed in concrete and steel in reinforced concrete beam 25 cm width and 70 cm effective depth, are 62.5 kg/cm2 and 250 kg/cm2 respectively. If m = 15, the depth of its neutral axis is
Options
A. 20 cm
B. 25 cm
C. 30 cm
D. 35 cm
E. 40 cm
Correct Answer
30 cm
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