John, Jack and Jill are in a desert. John doesn't like Jill and hence decides to murder him. He poisons the water supply of Jill. Since it is a desert area, Jill must drink or he will die of thirst.

Jack does not know of the actions of John and also decides to murder Jill. To succeed in his ill motives, he removes the water supply of Jill so he dies of thirst.

Jill dies due to thirst. Who murdered Jill?

What does the following BrainBat signifies?

ABCDEFGHIJKLMNOPQRSTUVWYZ

QQQQQQQQQQQQQQQQQQQQQQQQQ.

John is asked to stand behind Jacob and Jacob is asked to stand behind John. Both of them feel confused about it and don't know what to do?

But it is quite possible, do you know how?

Find out the missing number in the picture attached:

Eight of us go fourth, not back, to protect our king from an attack. What are we?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

Count the number of balls in picture below:

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

What can you see in the middle of March and April that you can never see in any other month?

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?