A maths symbol is hidden in the below Bar Graph. Can you decipher it?

What will you call your mother's brother's brother-in-law?

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

A red house is made out of red bricks. A yellow house is made out of yellow bricks. And, a blue house is made out of blue bricks. So, what is a greenhouse made of?

Can you count the number of squares in the given picture?

How many triangles are there on the puzzle below?

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?

I am a three digit number.
My tens digit is five more than my ones digit.
My hundreds digit is eight less than my tens digit.
What number am I?

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?