Can you divide numbers from 1 to 9 (1 2 3 4 5 6 7 8 9) into two groups so that the sum of the numbers of each group is equal?

Note: 9 cannot be turned over to make it 6.

There was an aeroplane crash, every single person died, but two people survived. How is this possible?

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

Count the number of triangles in the below picture?

Give it food and it will live; give it water and it will die.

In the Mexico City area, there are two Houses H1 and H2. Both H1 and H2 have two children each.
In House H1, The boy plays for Mexico Youth academy and the other child plays baseball.
In House H2, The boy Plays soccer for his school in Mexico and they recently have a newborn.

Can you prove that the probability of House-H1 having a girl child is more than that of House-H2?

There was a man he lives in a hotel each morning he presses the first floor button each evening if there is a person in the elevator he asks him to press the 10 floor button if there is no one in the elevator he takes the stairs why.

You have a basket containing ten apples. You have ten friends, who each desire an apple. You give each of your friends one apple.
Now all your friends have one apple each, yet there is an apple remaining in the basket.
How?

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211