I shave every day, but my beard stays the same. What am I?

Krish is 45 years old and his mother Crishtina is 73 years old.

Can you find out how many years ago, his mother was three times his age?

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

How many letters are in the alphabet?

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

Find the hidden tiger in the given optical illusion ?

Two brothers were watching a horror film on video late one night. One brother dozed off and dreamed that he was being chased by the crazy man from the movie, who was trying to kill him. In the dream, he hid in a cupboard. There was no sound except his heart pounding, and he had no idea where his crazed captor was. He was terrified! At that moment, the video finished, and his brother put his hand on the shoulder of his sleeping sibling to wake him. The shock at that tense moment was enough that the sleeping brother suffered a massive heart attack and died instantly. True or false?

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?

Why is the longest human nose just 11 inches?

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?