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

A maths symbol is hidden in the below Bar Graph. Can you decipher it?

Find the 8 in the below-given Image.

What always comes into a house through the keyhole?

A plane crashed between the border of Mexico and America. Where do you bury the survivors?

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

In a contest, four fruits (an apple, a banana, an orange, and a pear) have been placed in four closed boxes (one fruit per box). People may guess which fruit is in which box. 123 people participate in the contest. When the boxes are opened, it turns out that 43 people have guessed none of the fruits correctly, 39 people have guessed one fruit correctly, and 31 people have guessed two fruits correctly.
How many people have guessed three fruits correctly, and how many people have guessed four fruits correctly

You are in a land where thirty men and two women were dressed in classic black and white dresses.
They begin to fight as soon as any of them move.

Where are you?

The doctor prescribed you to take one pill from the bottle every half an hour. The bottle is now left with only three pills.

How long do you think you have before you run out of pills?