Before Mount Everest was discovered, what was the highest mountain in the world?

Replace the question mark with the correct number in the below-given picture?

The measurement of time, That can't be found on a clock, But can be looked upon on a map.

Who is He ?

What Deficiency does the below rebus represent?

VIT_MIN

Find the smallest sentence with all the English alphabet.

In the picture, you can see a chess board. On the top left position, the K marks a knight. Now, can you move the knight in a manner that after 63 moves, the knight has been placed at all the squares exactly once excluding the starting square?

Suppose that you are trapped on the surface of a frozen lake. The surface is so smooth and ideal that there is no friction at all. You cant make any grip on the ice and no wind is blowing to help you out. You have just a mobile phone with you which has got no reception disabling you to call for help.

How will you plan your escape before you freeze to death on the frozen lake?

Forwards I am heavy, backward I am not. What am I?

Find the hidden panda in the image below.

I never was there, I am always to be.
You have never ever seen me, not ever you will.
Yet I am the confidence of everyone.

Who Am I?