**#217**

Once Anna Hazare and Arvind Kejriwal was fighting on a issue and then they agreed to finish the issue by tossing a coin. But then YoKejriwalSoHonest tossed the coin until he got HEAD as a result.

After some time, what should be the proportion of HEADS to TAILS ? (Assuming probability of having a HEAD or a TAIL is the same)

**Difficulty Level** - 3/5
**#216**

There were 4 ants each at the corner of a unit square. Each of the ants started chasing in the clockwise direction. They all ran at the same speed and continuously changed their directions accordingly so that they were always heading straight towards the other ants. How long did it take for the ants to catch each other and where?

**Difficulty Level** - 3/5
**#215**

A herder was going from one place to another on his horse.

It took 2 days to get to the destination, he stayed there for a day and it took him 1 day to get back!

He went on Monday and came back on Monday! How?

**Difficulty Level** - 2/5
**#214**

Can you mark exactly four of these numbers so that the 4 numbers add up to give twelve?

**Difficulty Level** - 1/5
**#213**

Three workers; Tom, Dick and Harry were laying a brick wall.

Tom can lay 1000 bricks in three hours, Dick can lay 1000 bricks in two hours and Harry can lay 1000 bricks in six hours.

How long will it take Tom, Dick and Harry to lay 1000 bricks if they all work together?

**Difficulty Level** - 2/5