When monkey rotate the gear, which mark will be hit 1 or 2 ?

Can you find out which number multiplied by itself will give the output as 12345678987654321?

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?

On rolling two dices (six-sided normal dice) together, what is the probability that the first one comes up with a 2 and the second one comes up with a 5?

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?

In a supermarket, there is an intelligent glass pane before a refrigerating unit. This glass pane allows cherries and apples through it but does not allow grapes and Orange to pass through it.

Can you identify the rule that the glass pane is following?

See the given image carefully. What you have to do is move the blue checkers in the position of the black checkers and vice versa. You are only allowed to move the checker to an adjacent empty space. Do it in the least possible moves.

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

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?