Bay of Bengal is in which state?

What does the below rebus riddle means?

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?

A man desired to get into his work building, however he had forgotten his code.
However, he did recollect five pieces of information
* Fifth number + Third number = 14
* The fourth number is one more than the second number.
* The first number is one less than twice the second number.
* The second number and the third number equals 10.
* The sum of all five numbers is 30.

What is the code ?

A four-digit number (not beginning with 0) can be represented by ABCD. There is one number such that ABCD=A^B*C^D, where A^B means A raised to the B power. Can you find it?

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

Which fur should we be getting from the Lion?

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

John is the son of Jacob.
So,
Jacob is the_____of John's father?

I cannot talk, but I always reply when spoken to. What am I?