The bearing capacity of soil supporting an isolated footing of size 3 m x 3m will be affected by the presence of a water table located at a depth of below the base of the footing,

Correct option is C

As per Terzaghi’s theory, if the water table is available at a depth greater than or equal to least lateral dimension of footing than no correction is applied. In the given option only 1.5 m is less than or equal to the least lateral dimension of footing.