According to Central Building Research Institute, what is the specification adopted for the floor of single and double story building? Mark as favorite Copy Link 40-mm-thick cement concrete 1:3:5 laid over 11.5 cm thick cement concrete 1:5:10 38-mm-thick cement concrete 1:2:4 laid over 11.5 cm thick cement concrete 1:5:10 38-mm-thick cement concrete 1:4:6 laid over 11-5 cm thick cement concrete 1:5:10 30-mm-thick cement concrete 1:3:5 laid over 11.5 cm thick cement concrete 1:5:10 Check Answer