How can you write nineteen in a manner that if we take out one, it becomes twenty?

If eleven plus two equals one, what does nine plus five equal?

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

A man stands on one side of a river, his dog on the other. The man calls his dog, who immediately crosses the river without getting wet and without using a bridge or a boat. How did the dog do it?

There are three houses in a straight row. One is red, one is blue, and one is white. The red house is left of the middle. The blue house is right of the middle. Where's the white house?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

Manish has to secure 40% marks to pass his B.tech final exams.
He got just 40 marks and failed by 40-marks.

What is the maximum marks?

What is wrong in the below Picture?

A rubber ball keeps on bouncing back to 2/3 of the height from which it is dropped. Can you calculate the fraction of its original height that the ball will bounce after it is dropped and it has bounced four times without any hindrance ?

There is a place where if I stand up straight, I will still be considered sideways.