What does below science rebus mean?

Ag Ag Ag
Ag SPOON Ag
Ag Ag Ag

A girl has as many brothers as sisters, but each brother has only half as many brothers as sisters. How many brothers and sisters are there in the family?

Can you find the missing piece of the Porsche?

In the picture given below, can you find out which digit will take place of the question mark?

Which number comes next in the number series?

2, 9, 30, 93, ?

Can you write down eight eights so that they add up to one thousand?

Find out the number of circles in the given picture having Illusion

Rahul decided to meet Simran so he boards a local train from Bombay station. Just after the station, there is a 1km long tunnel. The train starts and is now accelerating. Rahul is a claustrophobic guy, so what is the best position for him to sit?

John and Jenni are a married couple. They have two kids, one of them is a girl. Assume safely that the probability of each gender is 1/2.
What is the probability that the other kid is also a girl?

Hint: It is not 1/2 as you would first think.

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