I am a type of room you cannot enter or leave. Raised from the ground below, I could be poisonous or a delicious treat. What am I?

Find the number of squares in the below picture

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

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

In a rainy season, one day 3 huge ladies walked under a normal-sized umbrella.
The umbrella is not huge enough to accommodate all 3 ladies yet not a single lady got wet. Why?

Be active and find the killer in the picture Riddle below.

It has five wheels, though often think four, You cannot use it without that one more, You can put things in it, you can strap things on top, You can't find it in the market, but you can still go shop. What is it?

Rectify the following equality 101 - 102 = 1 by moving just one digit.

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

A man is walking down a road with a basket of eggs. As he
is walking he meets someone who buys one-half of his eggs
plus one-half of an egg.
He walks a little further and meets another person who buys
one-half of his eggs plus one-half of an egg.
After proceeding further he meets another person who buys
one-half of his eggs plus one half an egg. At this point, he
has sold all of his eggs, and he never broke an egg.
How many eggs did the man have to start with?