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

What Word am I Looking For ?

What has hands, but can’t clap?

Can you divide numbers from 1 to 9 (1 2 3 4 5 6 7 8 9) into two groups so that the sum of the numbers of each group is equal?

Note: 9 cannot be turned over to make it 6.

It belongs to you, but other people use it more than you do. What is it?

what's the probability of getting a king or a queen from a pack of 52 cards?

A man was telling some of his war stories to his grandchildren.
"When the World War I was on the verge of end, I was awarded for my bravery for I had saved a group of my men." He coughed and then added, "When we were fighting in northern France, an enemy soldier threw a grenade at us. Before it could explode, I picked it up and threw it away. For my act of bravery, right before the war ended, A General gave me a sword engraved with the words "Awarded for Display of Bravery and Heroism in World War 1"."

Hearing this, one of the grandson spoke up. "Grandpa, this is not a true story. It can"t be true!"

The truth is that it was not. How did the grand children know it?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

What does below chemistry rebus means?

Find the next number in the series below

21 32 54 87 131 ?

If an electric train is travelling south, then which way is the smoke going?