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

Can you make a six-letter word using the letters N, A and B ?

With the help clues provided in the image, can you find the 5 digit key?

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

What number should come in place of the question mark below?

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

Replace the 'X' with any mathematical symbol to make the expression equal to 111.

18 X 12 X 2 X 3 = 111

What word does this rebus represent?

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A wooden log balances equally on the scales when weighed with three-quarters of a pound and three-quarters of a wooden log.

Can you calculate the weight of the entire wooden log?

There are 20 people in an empty, square room. Each person has full sight of the entire room and everyone in it without turning his head or body, or moving in any way (other than the eyes). Where can you place an apple so that all but one person can see it?