You find yourself in a strange place guarded by two guards.One of the guard always say truth while other always lies.You don't know the identity of the two.You can ask only one question to go out from there. What should you ask?

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?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

Akbar called Birbal and asked him to draw a line on the floor. He asked Birbal to make that line smaller without erasing it. Birbal smiled and did it before Akbar could blink his eyes.

How did he managed to do it?

Can you count the number of triangles in the given figure?

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

I have a hole in my back and legs I lack.
I live where I can’t breathe and I eat without teeth.
What am I?

A pet show was happening in my locality. I went down along with my kids. In that show, I noticed that all except two of the entries were cats. All except two were dogs and all except two were Monkeys.

Can you find out how many of each animals were present in that pet show?

Find the next number in the series below

21 32 54 87 131 ?