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?

All of the flowers I have are orchids except two. All of the flowers I have are hibiscuses except two. All of the flowers I have are roses except two.

Can you tell me how many flowers I have?

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

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

It is a nine-letter word.
The exact opposite of the phrase "friendly and outgoing"
It contains the word "over".
It starts will a vowel.

What is it?

At my favorite fruit stand,
an orange costs 18,
a pineapple costs 27,
and a grape costs 15.
Using the same logic, can you tell how much a mango costs?

What word is represented by this rebus?

What does below Rebus say?

XLR8

Living above a star, I do not burn
Eleven friends and they do not turn
I can just be visited in a sequence, not once or repeatedly
PQRS are my initials
Can you tell my name accurately?

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211