If two's company, and three's a crowd, then whats four and five ?

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?

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

In a family supper, a grandfather, a grandmother, two fathers, two mothers, four children, three grandchildren, one brother, two sisters, two sons, two daughters, one daughter-in-law, and one mother-in-law need to sit at a table.

There are only seven chairs available at the place. How many more chairs do they have to borrow so that everyone can sit down together for the suppers if everybody requires a separate chair?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

There are three boxes of different sizes with three cupcakes inside each of the boxes in Christina's kitchen. At night her daughter wakes up and goes to the kitchen. She opens a box and eats all three cakes.

But in the morning Christina finds out that each box still had three cupcakes. How?

Which is heavier: a ton of bricks or a ton of feathers?

What is the next number in this series?

4,12,84,3612....

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

What is 3/7 chicken, 2/3 cat and 2/4 goat?