I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

No one wants to have it, but if one got it, he does not want to lose it. What is It?

Why Aeroplane windows are round?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

What is the next shape from answers A, B, C, and D figure?

I have thought of a number that is made up by using all the ten digits just once. Here are a few clues for you to guess my number:

First digits is divisible by 1.
First two digits are divisible by 2.
First three digits are divisible by 3.
First four digits are divisible by 4.
First five digits are divisible by 5.
First six digits are divisible by 6.
First seven digits are divisible by 7.
First eight digits are divisible by 8.
First nine digits are divisible by 9.
The number is divisible by 10.

Can you find out the number ?

How can you make number one disappear by adding something to it?

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

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?