What is common among 11, 69, and 88?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

What goes up but never comes down?

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

By using 'because' continuously three times, can you make an English statement ?

When Jack was six years old he hammered a nail into his favourite tree to mark his height. Ten years later at age sixteen, Jack returned to see how much higher the nail was. If the tree grew by five centimetres each year, how much higher would the nail be?

I am a five-letter word under you,
Remove the first letter and I am above you,
Remove the second as well and I am around you.

Who am I?

In the four images below, can you find the odd one out?

Can you count the number of squares in the given picture?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.