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

What do you answer even though it never asks you questions?

Shyla was sleeping in her apartment when suddenly a robber broke into her house. He asked her to stay quiet and started looting the cash and jewelry. Suddenly the landline phone started ringing. The robber pointed a gun at Shyla and asked her to pick up and talk without giving away the situation.

She picked up the phone and it happened to be her husband. She spoke, Is it an emergency darling? Do give me a call when your flight lands, I will prepare your favorite food that will help you relieve the stress. Then she hanged up.

10 minutes after, the police arrive at the scene and catch the robber. How did the police know about the robbery?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

Find the missing letter in the last circle logically in the given below picture.

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

I am the largest in my family of fifty.
The youngest of our family lives separately from the rest of the family and so do I.
I am regarded as harsh and tough.
I am so large, you cut me in two equal halves,
each half would still be larger than the second largest member of the family.
Who am I?

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

What is the next number in the series?

15 29 56 108 208 ?