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?

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

What kind of tree can you carry in your hand?

How many triangles can you find in this given picture?

Solve the riddle below:

If a Chicken says, 'All chickens are liars" is the chicken telling the truth?

Replace the question mark with the correct number, given the pair of numbers exhibits a similar relationship?

? : 3839 :: 11 : 1209

In the figure, you can see nine stars. What you have to do is connect all of them by using just four line and without lifting your hand i.e. in a continuous flow.

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?

I am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I?