You have two buckets - one holds exactly 5 gallons and the other 3 gallons. How can you measure 4 gallons of water into the 5 gallon bucket?

(Assume you have an unlimited supply of water and that there are no measurement markings of any kind on the buckets.)

Can you find a five letter word that is left with only two letters if one is removed?

Spot 5 differences in two Christmas tree below:

Find the value of "?" in the ball picture Riddle below:

What Time Should the last watch show in the below figure?

What has many keys but can’t open a single lock?

Can you Find and name the hidden bird in the picture below ?

What will you call your mother's brother's brother-in-law?

Solve the mathematical equation in the picture below.

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?