What is at the end of a rainbow?

What is the riddle which can be asked all day with a different correct answer each time.

Sally lives in a place where six months of the year is mild summer and the temperature drops significantly the other six months. She owns a lake where there is a small island. She wants to build a house on the island and needs to get materials there. She doesn’t have a boat, plane, or anything to transport them to the island. How does Sally solve this problem?

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

what one word does the below rebus identifies?

What can you catch but never throw?

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

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

If you go to the movies and you're paying, is it cheaper to take one friend to the movies twice, or two friends to the movies at the same time?

In a secret society, a buried chamber can be accessed only via a secret password. The password is seven characters long and comprises of just letters and numbers.

You find a code that can help you in cracking the password. The code says "You force heaven to be empty".

Can you deduce the password from that?