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

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?

On a bus, there is a 26-year-old pregnant lady.
A 30-year-old policeman.
A 52-year-old random woman.
And the 65-year-old driver.

Who is the youngest?

You can hear me, but you can't touch or see me.

What am I?

Can you find the least possible number such that

If the number is divided by 3, it gives the remainder of 1;
If the number is divided by 4, it gives the remainder of 2;
If the number is divided by 5, it gives the remainder of 3;
If the number is divided by 6, it gives the remainder of 4.

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?

John and his team plan to rob a safe. They got just one chance to break the code else the local police will be informed. Below are clues:
A) Exactly one number is perfectly placed: 9 8 1
B) Everything is incorrect: 9 2 4
C) Two numbers are part of the code of the safe but are wrongly placed: 0 9 3
D) One number is part of the code of the safe but is wrongly placed: 1 4 7
E) One number is part of the code of the safe but is wrongly placed: 7 8 3

It belongs to you, but other people use it more than you do. What is it?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

If a wheel has 54 spokes, how many spaces are there between the spokes?