A kind heart person buy packed food at 3$/packet from United states and sells them at 1$/packet at Africa. After some time he becomes a millionaire.

How come the guy become millionaire ?

Two old friends, Jack and Jill, meet after a long time, and discussing as:

Jack: Hey, how are you, man?

Bill: Not bad, got married and I have three kids now.

Jack: That's awesome. How old are they?

Bill: The product of their ages is 72 and the sum of their ages is the same as your birth date.

Jack: Cool..But I still don't know.

Bill: My eldest kid just started taking piano lessons.

Jack: Oh, now I get it.

How old are Bill's kids?

In a competitive exam, each correct answer could win you 10 points and each wrong answer could lose you 5 points. You sat in the exam and answered all the 20 questions, which were given in the exam.
When you checked the result, you scored 125 marks on the test.

Can you calculate how many answers given by you were wrong?

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

What can jump higher than a building?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

Begin with a word, five letters to my name,
Remove the first and last but I am the same
Take out my middle and still, I remain.
What word am I?

What is 3/7 chicken, 2/3 cat and 2/4 goat?