81 x 9 = 801. What must you do to make the this equation true?

Where do you go to learn how to make ice cream?

A bomb exploded in a room full of married couples and no one died. How?

There are hundred red gems and hundred blue gems. The blue gems are priceless while the red gems equal wastage. You have two sacks one labeled Heads and the other Tails. You have to distribute the gems as you want in the two sacks. Then a coin will be flipped and you will be asked to pick up a gem randomly from the corresponding sacks.

How will you distribute the gems between the sacks so that the odds of picking a Blue gem are maximum?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

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 ?

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

Can you start the fire using two pieces of wood?

Two prisoners Jack and Jill are locked in a cell.
There is open window approx 40 feet above the ground of the cell.
They are never able to reach there.

Then they plan to escape by a tunnel and they start digging out.
After digging for more than 20 days, Jill comes with the different plan and they escaped.

what was the plan ?

Find the missing number in the sequence below: