How can you write nineteen in a manner that if we take out one, it becomes twenty?

In the figure, you can see nine stars. What you have to do is connect all of them by using just four line and without lifting your hand i.e. in a continuous flow.

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

What can go through glass without breaking it?

Can you count the number of lines in the below picture?

Solve The below Equation:

ALFA + BETA + GAMA = DELTA

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?

Use the digits from 1 up to 9 and make 100.

Follow the rules.
=> Each digit should be used only once.
=> You can only use addition.
=> For making a number, two single digits can be combined (for example, 4 and 2 can be combined to form 42 or 24)
=> A fraction can also be made by combining the two single digits (for example, 4 and 2 can be combined to form 4/2 or 2/4)

Question: how can we do this?

I’m orange, I wear a green hat and I sound like a parrot. What am I?

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?