What has hands, but can’t clap?

What is a word made up of 4 letters, yet is also made up of 3. Sometimes is written with 9 letters, and then with 4. Rarely consists of 6, and never is written with 5.

If you read clockwise, you can form a word by inserting three missing letters in the picture given below. Can you do it?

What has 13 hearts but no other organs?

We have two identical balls in terms of diameter and weight. However, one of them is solid and the other is hollow.

Without knocking the ball, can you find the solid ball?

Decode below rebus
D
N
A
T
S , D

What goes through cities and fields, but never moves?

Which flower has two lips?

The person who makes it has no need for it; the person who buys it has no use for it. The person who uses it can neither see nor feel it. What is it?

Replace the question mark with the correct number in below Picture: