How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

On rolling two dices (six-sided normal dice) together, what is the probability that the first one comes up with a 2 and the second one comes up with a 5?

Count the squares in the matchstick puzzle below?

Which is heavier: a ton of bricks or a ton of feathers?

Twice ten are six of us,

Six are but three of us,

Nine are but four of us;

What can we possibly be?

Would you know more of us?

Twelve are but six of us,

Five are but four, do you see?

What are we?

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?

John speaks the truth only once a day in a week. Below are a few hints for you:

First: Days are Sunday, Monday and so on.
Second: One day he says, "I lie on Monday and Tuesday".
Third: On the next day, he says, "Today is either Thursday, Saturday or Sunday".
Fourth: On the next day, he says, "I lie on Wednesday and Friday".

Can you identify the day on which he speaks the truth?

I have teeth but i don't bite. Who Am I ?

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?