If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

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

Who am I?

What word is pronounced the same if you take away four of its five letters?

A boy collects white seashells from the sea and brings them home every night. When he has enough of them, he decides to sell them to a trader.

The trader is ready to buy the shells and he asks the boy about the quantity. At this, the boy starts calculating. He has a giant box that contains 3 mini boxes. Two of them have another mini box inside. If the giant box can hold 50 shells, how many brown shells can he sell to the trader?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

You are mixing a mixture of cement and Sand with five gallons of water. You have a garden hose giving you all the water you need. The problem is that you only have a four-gallon bucket and a seven-gallon bucket and neither has graduation marks. Find a method to measure five gallons.

Why is Saturday stronger than Monday?

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

Replace all '*' with digits 1, 2, 3, 4, 5 and 6 to make below statement true.

* *
x *
=====
* * *

In a jungle where there are no street lights or any other artificial source of lights, I notice a black snake crossing the road.
How did I get sight of the snake?