I have holes on the top and bottom. I have holes on my left and on my right. And I have holes in the middle, yet I still hold water. What am I?

Transform the word THINK into BRAIN while changing only one letter at a time in a manner that each of the word in the process is a real word!!!

What is the word or phrase below?
R | E | A | D

I am a word that begins with the letter “i.” If you add the letter “a” to me, I become a new word with a different meaning, but that sounds exactly the same. What word am I?

A doctor and a boy were fishing. The boy was the doctor’s son, but the doctor was not the boy’s father. Who was the doctor?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

Which is faster, Heat or Cold ? Explain.

A Child was born in Lahore, Pakistan.

Still child is not a Pakistani citizen.why ?

Find three numbers such that

* When we multiply three numbers, we will get the prime numbers.
* The difference between the second and the first number is equal to the third and second.

Which is Odd One Out and why?

4377

3954

9862

8454

9831