How many times do a clock's hands overlap in a day ?

What is black when you buy it, red when you use it, and gray when you throw it away?

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

Which flower has two lips?

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?

A man wants to cross the pit of fire which is 25 feet in length and he has 2 planks(fire resistant) 19 feet in length. How can he cross the pit of fire alive?

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

Look at me. I can bring a smile to your face, A tear to your eye, Or even a thought to your mind. But, I can't be seen. What am I?

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