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 father's child, a mother's child, yet no one's son.

Who am I?

Can you find the hidden animal in the picture below?

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

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

Spot 5 differences in two Christmas tree below:

If an electric train is travelling south, then which way is the smoke going?

If I put in one canary per cage, I have one bird too many. If I put in two canaries per cage, I have one cage too many. How many cages and canaries do I have?

What has many teeth, but cannot bite?

If,

20 % 5 = 24

21 % 7 = 33

42 % 6 = 67

Then;

66 % 6 = ?