I am a prime number.
The double of myself is equal to the square of me.

which number am I?

Do You See It?

Name the three-letter word that can complete the below words:

A) L O _ _ _ E
B) E D U _ _ _ E
C) _ _ _ E R
D) _ _ _ T L E

Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

What does below pictogram mean?

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?

An express train takes 3 seconds to enter the tunnel which is 1 km long.
If it is travelling at 120 km an hour, how long will it take to pass completely through the tunnel?

Can you find out the total number of triangles in the given figure?