Replace all '*' with digits 1, 2, 3, 4, 5 and 6 to make below statement true.

* *
x *
=====
* * *

I have branches, but no fruit, trunk or leaves. What am I?

Can you solve below mathematical equation?

2^1234 - 2^1233

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?

When it is alive we sing, when it is dead we clap our hands. What is it?

Can you find the missing piece of the Porsche?

How many times can you subtract the number two from the number fifty?

What four weights can be used to balance from 1 to 30 pounds?

If I put in one canary per cage, I have one bird too many. If I put in two canaries per cage, I have one cage too many. How many cages and canaries do I have?

In a mathematical quiz, you are asked the following question:

Use three 9s in a mathematical expression without dividing or multiplying to form the number one.

Can you answer the question?