Which flower has two lips?

If a zookeeper had 100 pairs of animals in her zoo, and two pairs of babies are born for each one of the original animals, then (sadly) 23 animals don’t survive, how many animals do you have left in total?

An exterior architect is asked by a builder to plant seven trees in a manner that there are exactly six rows of trees in a straight line and each row has three trees in particular.

How will he do it?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

Can it be possible to build a house that has all its four walls facing towards the South?

What is the fastest way to double your money?

Every words stands for unique digit that makes the arithmetic equation true

SEVEN + SEVEN + SIX = TWENTY.

What are the digits ?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

I am lying and I always lie. Tell me whether I am lying or telling the truth.

Take number 1000 and then add 20 to it.
Now add 1000 one more time.
Now add 30.
Now add 1000 one more time.
Now add 40.
Now add 1000 one more time.
Now add 10.

What is the total?