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?

What number comes next in the series?

5 15 5 18 5 24 14 20 _

In a supermarket, there is an intelligent glass pane before a refrigerating unit. This glass pane allows cherries and apples through it but does not allow grapes and Orange to pass through it.

Can you identify the rule that the glass pane is following?

A worker is to perform work for you for seven straight days. In return for his work, you will pay him 1/7th of a bar of gold per day. The worker requires a daily payment of 1/7th of the bar of gold. What and where are the fewest number of cuts to the bar of gold that will allow you to pay him 1/7th each day?

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

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

Do you know what I am?

What word is identified by the below rebus?

Your Your Your Your Your
Your Your Your Your Your

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

What is the next number in the series?

15 29 56 108 208 ?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.