Count the number of squares in the picture below.

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

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.

Accidentally, two trains are running in the opposite direction and enter a tunnel that is 200 miles long. A supersonic bird that has fled the lab and taken shelter in the tunnel starts flying from one train towards the other at a speed of 1000 mph. As soon as it reaches the second train, he starts flying back to avoid collision and meets the first train again at the other end. The bird keeps flying to and fro till the trains collide with each other.

What is the total distance that the supersonic bird has traveled till the trains collided?

Below rebus represent famous DiCaprio movie. Can you name it?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

What seven-letter word has hundreds of letters in it?

What is the word or phrase?

There was a strange boy who was born before his father. How can this be possible?