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Complete the missing letters of the given word.

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

I have an eye but still cannot see.

Who am I?

While going to your grandmother's house, you counted Twenty houses on the right side. While returning back to your home, you counted Twenty houses on the left side.

How many houses are there between your home and your grandmother's home?

I have a head like a cat and feet like a cat, but I am not a cat. What am I?

In four steps you need to move the word 'cold' From 'warm' by replacing one alphabet at a time such that every word formed at each step is acceptable in English Dictionary.

I’m orange, I wear a green hat and I sound like a parrot. What am I?

He digs out tiny caves and stores gold and silver in them. He also built bridges of silver and made crowns of gold. They are the smallest you could imagine. Sooner or later everybody needs his help, yet many people are afraid to let him help them. Who is he?

When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?