Two boys were admitted to a school. When the headmaster asks them about their parents, they tell him that they have same parents (father and mother). On further inquiry, it turns out that they both share the same date for their birthday.

"Are you twins," ask the headmaster.
"No," replies the boys.

Is it possible?

A rubber ball keeps on bouncing back to 2/3 of the height from which it is dropped. Can you calculate the fraction of its original height that the ball will bounce after it is dropped and it has bounced four times without any hindrance ?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

What is black when you buy it, red when you use it, and gray when you throw it away?

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

What is so fragile that saying its name breaks it?

You can find some missing letters in the picture. By placing two particular letters in the spaces, you can form a nine lettered word beginning from one of the corners and going clockwise direction to the middle. Can you find out the letters and the word?

He runs but never walks. Murmurs, but never talks. Has a bed, but never sleeps. And has a mouth, but never eats?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

Can you find out the total number of triangles in the given figure?