A 52% bias toss for head using the 51% tail bias coin was done to obtain a fair result.

Can you find how bias is the floor in this case?

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

What 5-letter word typed in all capital letters can be read the same upside down?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

An express train takes 3 seconds to enter the tunnel which is 1 km long.
If it is travelling at 120 km an hour, how long will it take to pass completely through the tunnel?

John was gifted a new Hayabusa. He drove x miles at 55mph. Then he drove x+20 miles at 40mps. He drove his bike for 100 minutes. How much distance did he travel?

Intelligence Agency need to break the vault but the problem is that they are not able to break the vault.

On the vault, a text is written as:

31 11 33 33 43 45
21 25
31 24 11 31 51 41

To Break the code Intelligence Agency brings a mathematician named Joseph.
Minutes later he deciphers the code.

Whats the code?

Complete the given grid with valid words. You can only use the letters AAEEIIMMPPTT.

Hint: The grid reads the same across as down.

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?