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

What is the largest number you can write with just 3 digits?

What four weights can be used to balance from 1 to 30 pounds?

In one of the popular batman series movie "Batman Forever", there was a riddle that goes like "Tear me off and then scratch my head and I was red then and now I am back. Who am I?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

Before reading ahead, you must know the fact that only one of the people here is telling the truth.

A says that B is lying.
B says that C is lying.
C says both A and B are lying.

Can you find out who is speaking the truth?

Why is the Hole below a Lock?

With the help clues provided in the image, can you find the 5 digit key?

I have teeth but i don't bite. Who Am I ?

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