what's the probability of getting a king or a queen from a pack of 52 cards?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

I am soft and cuddly that soothe your heart. But, If you pick my last name I am going to tear you all apart. Who am I?

Which is heavier: a ton of bricks or a ton of feathers?

Make the seating arrangement of 10 children in such a way that there are 5 rows with 4 children in each row.

It's a test that will check your IQ.

Suppose you have one 11 minute hourglass and one 13 minute hourglass.

Can you measure exactly fifteen minutes using them ?

A boy and his father are caught in a traffic accident, and the father dies. Immediately the boy is rushed to a hospital, suffering from injuries. But the attending surgeon at the hospital, upon seeing the boy, says 'I cannot operate. This boy is my son.' How is this situation explained?

All of Jacob's shoes are red except two.
All of Jacob's shoes are green except two.
All of Jacob's shoes are yellow except two.

How many shoes does Jacob have?

I look at you, you look at me, I raise my right, you raise your left. What am I?