How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

Count the number of balls in picture below:

John went to a parrot shop in Mexico, and the parrot owner told him that his parrot is so unique that he repeats everything he hears. John got excited and immediately bought the parrot. John went home and spoke many words, but the parrot does not repeat anything.
He went again to the parrot shop and complaint to the shopkeeper, but the shopkeeper never lied. Explain?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

At a party, there are five people and a whole round cake lying at the centre of the table. Only four people will make a cut and take their piece and the last one will get the remaining piece on the table. How can they make sure that everyone gets a 1/5th of the piece?

My location can be determined by the below rebus.
So where am i ?

Can you divide the below-given shape into four equal and identical pieces?

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

Consider this: Arnold Schwarzenegger has a big one. Michael J. Fox has a small one. Prince doesn’t have one. The Pope has one but never uses it. Bill Clinton has one and uses it all the time. What is it?

A shepherd had 18 sheep, out of which, all but ten died.

Can you tell us how many sheep was he left with?