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 ?

What goes up but never comes down?

What work can one never finish?

Can you solve the below tricky visual equation?

Birbal was jester, counsellor, and fool to the great Moghul emperor, Akbar.
The villagers loved to talk of Birbal's wisdom and cleverness,
and the emperor loved to try to outsmart him.
One day Akbar (emperor) drew a line across the floor.
"Birbal," he ordered, "you must make this line shorter, but you cannot erase any bit of it."
Everyone present thought the emperor had finally outsmarted Birbal.
It was clearly an impossible task.
Yet within moments the emperor and everyone else present had to agree that Birbal had made the line shorter without erasing any of it.
How could this be?

We have four gears with below features=> Both Gear A and D has 60 teeth=> Gear B has 40 teeth=> Gear C has 20 teeth=> Every two minutes, Gear B makes 25 full turns.What is the relative speed of Gear A and Gear B?

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

Find out which of the given views in the picture is accurately the top view of the given pyramid.

The current time can be represented by below textual rebus.

0
=========
B.Sc
LLB

Can you tell us the current time?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?