Lifeless eyes on my smiling face and watch your child's sleeping place. In their dreams they hold me tight. What am I?

A 3 digit number is such that it's unit digit is equal to the product of the other two digits which are prime. Also, the difference between it's reverse and itself is 396.

What is the sum of the three digits?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

Can you solve this picture maths equation?

A mile-long train is moving at sixty miles an hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?

A man is walking down a road with a basket of eggs. As he
is walking he meets someone who buys one-half of his eggs
plus one-half of an egg.
He walks a little further and meets another person who buys
one-half of his eggs plus one-half of an egg.
After proceeding further he meets another person who buys
one-half of his eggs plus one half an egg. At this point, he
has sold all of his eggs, and he never broke an egg.
How many eggs did the man have to start with?

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?

What is always in front of you but can’t be seen?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'