Count the squares in the matchstick puzzle below?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

Find The Missing Number In the Sequence.
6 25 64 ? 32 1

The following "Brain Bat" means Slow Down.
S
L
O
W

Using the same logic, can you tell us what does the following Brain Bat means ?
E
V
I
G

1 dollar = 100 cent
= 10 cent x 10 cent
= 1/10 dollar x 1/10 dollar
= 1/100 dollar
= 1 cent

=> 1 dollar = 1 cent

solve this tricky problem?

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?

I cry without having a voice.
I fly without having wings.
I bite without having teeth.
I whisper without a mouth.

Who am I?

As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

What does does this rebus picture means ?

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?