what does this picture(rebus) riddle means ?

When is the top of a mountain similar to a savings account?

What word is represented by this rebus?

Two in a corner, one in a room, zero in a house, but one in a shelter. What am I?

Find the missing number in the image below.

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

With the help clues provided in the image, can you find the 5 digit key?

John and Jacob are twin brothers. One of them is a liar whereas the other one is a truth-teller.

I called their home number and one of them picked up.
I asked. 'Does John lie?' The person replied with a yes.

Whom did I talk with, John or Jacob?

_ _ _ IE _ _
_ _ _ IE _
_ _ IE _ _
_ _ IE _
_ _ _ _ IE

Like you see, some letters have gone missing from these words that contain the IE pair at some or the other place. The letters that will be used to fill the blanks are given below. Use them and form meaningful words. Can you do that?

A, C, D, F, H, K, L, M, N, N, O, R, R, S, S, S, T, T, Y and Y.

In one of the popular batman series movie "Batman Forever", there was a riddle that goes like "Tear me off and then scratch my head and I was red then and now I am back. Who am I?