My cousin lives in one story house in Antarctica. His house is made the of-of sandstone. what is the color of stairs?

We have four gears with below features=> Both Gear A and D has 60 teeth=> Gear B has 40 teeth=> Gear C has 20 teeth=> Every two minutes, Gear B makes 25 full turns.What is the relative speed of Gear A and Gear B?

what one word does the below rebus identifies?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

What number should come in place of the question mark below?

How is a fly different from a mosquito?

A pet show was happening in my locality. I went down along with my kids. In that show, I noticed that all except two of the entries were cats. All except two were dogs and all except two were Monkeys.

Can you find out how many of each animals were present in that pet show?

Two guards were guarding the camp.Guard-1 was looking towards the south to make sure no threat is coming from the road.Guard-2 was looking at the north to make sure no threat is coming from the top. Suddenly Guard-1 ask the Guard-2 why he is smiling?How Guard-1 knows that Guard-2 is smiling?

Take away the whole and some still remain. What is it?

Can you find out the total number of triangles in the given figure?