RCC Structures Design
The self-weight of the footing, is

Both (b) and (c)
Also considered for calculating the upward pressure on footing
Not considered for calculating the upward pressure on footing
Not considered for calculating the area of the footing

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RCC Structures Design
Based on punching shear consideration, the overall depth of a combined footing under a column A, is

(Area of the column A × Safe punching stress)/Load on column A
(Perimeter of column A × Safe punching stress)/(Load on column A + Upward pressure × Area of the column)
None of these
(Perimeter of column A × Safe punching stress)/(Load on column A × Upward pressure × Area of the column)

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