What word does this rebus represent?

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Can you count the number of triangles in the given picture?

As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

In a fruit store, there was a unique weighing machine that was made to weigh only cherries and strawberries as they were priced the same.

Other fruits like watermelons or mango had different machines as they were expensive.

A man successfully buys watermelons at the price of cherries. How?

You enter your friend's room. He is not in his room. Although you see that on the bed there are two dogs, five cats, two giraffes and three pigs. Also, a couple of chickens and ducks are flying in the room.

Calculate the number of legs standing on the floor.

Your last good ping-pong ball fell into a narrow metal pipe embedded one foot deep in concrete.
How can you get it out undamaged, if all the tools you have are your tennis paddle, shoe laces, and plastic water bottle, which does not fit into the pipe?

What number do you get when you multiply all of the numbers on a telephone's number pad?

There is a wide field of corn. A goose finds its way into the field and starts running. Can you find out till which point the goose can run into the field?

Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?