Prove that the below maths equation is true.

8 + 8 = 91

Suppose you are sitting in an interview and the interviewee asks you an aptitude question.

You have three buckets with a capacity of 4 litres, 8 litres and 10 litres and you have a large tank of water. Now you have to measure 3 litres of water precisely using those buckets. How will you do it?

A dead body is found outside a multi-story multinational company. The case is reported and a homicide detective is called on the crime scene.

He looks at the body and then towards the building. From the position of the body, it is evident that the victim committed suicide. He goes to the first floor of the building and then walks in the direction of the dead body, opens the window and toss a coin in the air.

He goes to second floor and again repeats the process. He keeps doing this till he is done on all the floors. Then he returns back to the floor and tells his team that it is a murder.

How in heaven did he deduce that?

Name a key which is hardest to turn.

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

The answer I give is yes, but what I mean is no. What was the question?

Why is it very easy to weigh a fish?

I left my campsite and hiked south for 3 miles. Then I turned east and hiked for 3 miles. I then turned north and hiked for 3 miles, at which time I came upon a bear inside my tent eating my food! What colour was the bear?

What is the largest number you can write with just 3 digits?

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?