When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

Which word is least like the others? Third, fourth, fifth, sixth, seventh, eighth, ninth?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

A man is shown a portrait painting. He looks closely, then tells, “Brothers and sisters have I none, but that man’s father is my father’s son!” Who is the man in the portrait?

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?

What is the end of everything?

Find The Missing Number In the Sequence.
6 25 64 ? 32 1

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?

Mr. Buttons was all set to go to the village of Buttonland to meet his friend. So, he packed his bags and left for the village at 5 in the morning. Upon travelling on a road for miles, he came across a point where the road diverged into two. He was confused on which road to take. He gazed around and he saw two owls sitting on a branch. He thought he could ask for directions for the village from the two owls. So he went to the tree. There he saw a sign which read, "One owl always lies, and one is always truthful. They both fly away if you ask them more than 1 question."
Mr. Buttons was caught in the dilemma of what to ask? And from which owl to ask, since he only had one question. What should Mr. Buttons ask?

Can you count the number of triangles in the given figure?