A slab simply supported on the four edges, with corners not held down and carrying uniformly distributed load, is used in
(a) Singly storeyed buildings.
(b) Double storeyed buildings.
(c) Multi storeyed buildings
(d) All the above
(a) Singly storeyed buildings.
(b) Double storeyed buildings.
(c) Multi storeyed buildings
(d) All the above