81 x 9 = 801. What must you do to make the this equation true?

Can you write down eight eights so that they add up to one thousand?

What is the next number in this series?

4,12,84,3612....

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?

On a bright sunny day, two fathers took their son fishing in the lake. Each man and son were able to catch one fish. When they returned to their camp, there were only three fishes in the basket. What happened?

PS: None of the fish were eaten, lost, or thrown back.

You have $100 with you and you have to buy 100 balls with it. 100 is the exact figure and you can't go below or above the numbers and you have to use the entire $100. If there is no kind of tax applied how many of each of the following balls will you be able to buy:

Green Balls costing $6
Yellow Balls costing $3
Black Balls costing $0.10

Now, how many of each must you buy to fulfil the condition given?

What am I?

What Deficiency does the below rebus represent?

VIT_MIN

Name a key which is hardest to turn.