Floor colour is not same as wall color even using same meterial in ray tracing

[566043364]

I have made this model and then ray traced it . I used same material in the floor structure and the walls in 3d view it look ok but when i ray traced ,it doesnt remain same as the walls. Please help me whats wrong in it..

Complete Model with right Stairs purple half with 2bath.plan

[lbuttery]

probably lighting ???

 

light/shadows can be different on same wall

 

Lew

[566043364]

probably lighting ???

 

light/shadows can be different on same wall

 

Lew

I figured out this problem by changing the setting of lights and shadows. Thanks for help 

[dshall]

I figured out this problem by changing the setting of lights and shadows. Thanks for help 

Wow,  I would of never guessed that was the problem.