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?

On a beautiful Sunday morning, You ordered a hot tea to your hotel room and suddenly you remember an important thing that needed to be done right now will take around 3 minutes to complete.
Like most people you like your tea to be hot while drinking so, when should you pour cream in the tea?
1. straight away
2. Just people, you drink the team
3. Its does not matter

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

Which word is least like the others? Third, fourth, fifth, sixth, seventh, eighth, ninth?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

Find the next number in the series below

21 32 54 87 131 ?

Can you find the missing piece of the Porsche?

There are three boxes. One is labeled "APPLES" another is labeled "ORANGES". The last one is labeled "APPLES AND ORANGES". You know that each is labeled incorrectly. You may ask me to pick one fruit from one box which you choose.

How can you label the boxes correctly?

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

Name a key which is hardest to turn.