I’m tall when I’m young, and I’m short when I’m old. What am I?

O_er_t_o_

Complete the missing letters of the given word.

What is the Surname of Barbie Doll?

How many times can you subtract the number two from the number fifty?

Twice ten are six of us,

Six are but three of us,

Nine are but four of us;

What can we possibly be?

Would you know more of us?

Twelve are but six of us,

Five are but four, do you see?

What are we?

There are four 3-link chains. All you have to do is join them into a big 12-link chain. For joining two closed links, one of the links must be cut and placed onto the other link for closing.

How many minimum links will you have to cut to make the big chain?

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.

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

Known by all without exception, Forever here, for your protection, Sometimes strong, sometimes weak, Right after the night I come - hot and chic. And while millions of miles away, I always get to you, I find my way. No life around could do without me, Can you guess what I might be?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?