I am the black child of a white father, a wingless bird, flying even to the clouds of heaven. I give birth to tears of mourning in pupils that meet me, even though there is no cause for grief, and at once on my birth, I am dissolved into air. What am I?

Rahul decided to meet Simran so he boards a local train from Bombay station. Just after the station, there is a 1km long tunnel. The train starts and is now accelerating. Rahul is a claustrophobic guy, so what is the best position for him to sit?

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

Can you solve the photo plexer logic ?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

What has 88 keys?

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?

I am never scared but became petrified and can’t live in a house but would die to make one. What am I?