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

In a science lab, a petri dish hosts a healthy colony of yeast for an experiment. Now every minute, all the yeast cells divide into two. At noon, there was just a single cell of yeast and at 1:22, the Petri dish was half full. Can you calculate when the dish will be full of yeast?

Decode below rebus
D
N
A
T
S , D

John was driving a bus and got stuck when passing through an underpass. Then came Jacob with a needle and got the bus out of the underpass.

What did the boy do?

How many letters are in the alphabet?

An artist while painting a scenic beauty, decides to paint three layers of blue colour on the sky.

Which layer will go on the first?

What is the coolest letter in the alphabet?

What have one eye but still cannot see?

Can you identify the hidden rebus in the image below?

Complete the table series riddle by finding the number that can replace "??".