Can you count the number of matches in the picture below ?

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

Yesterday I fell from 30 feet high ladder but I don't get hurt. Why?

Can you find the dog hidden in a group of pandas?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

There is a barrel with no lid and some wine in it. 'This barrel of wine is more than half full,' said Curly. 'No it's not,' says Mo. 'It's less than half full.' Without any measuring implements and without removing any wine from the barrel, how can they easily determine who is correct?

Suppose we lay down two cups in front of you. One of the cups is filled with tea and the other one with coffee. Now we ask you to take a spoonful of tea and mix it with the coffee. At this moment, the coffee cup has a mixture of tea and coffee. You have to take that mixture (spoonful) and add it back to the tea.

Can you now tell if the cup of coffee has more tea or the cup of tea has more coffee?

In a rainy season, one day 3 huge ladies walked under a normal-sized umbrella.
The umbrella is not huge enough to accommodate all 3 ladies yet not a single lady got wet. Why?

The first two letters signify a male, the first three letters signify a female, the first four letters signify a great, while the entire world signifies a great woman. What is the word?