Can you solve this picture maths equation?

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 am soft and cuddly that soothe your heart. But, If you pick my last name I am going to tear you all apart. Who am I?

A King wants to send the diamond ring to his girlfriend securely. He got multiple locks and their corresponding keys. His girlfriend does not have any keys to these locks and if he sends the key without a lock, the key can be copied in the way. How can King send the ring to his girlfriend securely?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

It is always ahead of me yet I can never see it. What is it?

Can you find the largest Three-digit number whose sum is 14 and whose square is less than 5,00,000?

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

Can you find out the missing number in the grid?

Name the three-letter word that can complete the below words:

A) L O _ _ _ E
B) E D U _ _ _ E
C) _ _ _ E R
D) _ _ _ T L E