There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?

How many triangles are there in the picture below?

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

Can you replace the question mark with the correct number in the below table sequence?

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

I never was there, I am always to be.
You have never ever seen me, not ever you will.
Yet I am the confidence of everyone.

Who Am I?

Five thieves looted a bank and they ran away in a car. The bank staff informed the police and they began the search of their car in their jeep. They found them on a road and chased them eventually catching them. The light that is used to fill the number plate was broken on the thieves' car. Also, the headlights of the jeep police were not working. How were the police able to catch the thieves then?

You have three orange, two pink and five purple balls in the drawer beside your bed. There is no electricity and the room is entirely dark. How many balls must you take out to ensure at least one ball of each colour at least?

John is selling fruits.
He sells grapes at $30, Dates $25, and a Wolfberry $45.
At what price does he sell fig?

PS: Logical Thinking

How can you make a TV, a bed, a dog, and a car liquid?