I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

There are hundred red gems and hundred blue gems. The blue gems are priceless while the red gems equal wastage. You have two sacks one labeled Heads and the other Tails. You have to distribute the gems as you want in the two sacks. Then a coin will be flipped and you will be asked to pick up a gem randomly from the corresponding sacks.

How will you distribute the gems between the sacks so that the odds of picking a Blue gem are maximum?

Krish is 45 years old and his mother Crishtina is 73 years old.

Can you find out how many years ago, his mother was three times his age?

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

Consider all the numbers between 1 and 1 million. Among all these numbers, there is something very special about the number 8 and the number 2202. What is it?

You measure my life in hours
I serve you by expiring
I vanish faster when I am thin
and slower when I am thick
The wind is my energy
What am I?

Why do Chinese men eat more rice than Japanese men do ?

Can you find out which options fits best with the missing column?

The more you take me, the more you leave me behind.
Who Am I?

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