How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

A Shopkeeper collects 71 rupees in the form of 20 paisa and 25 paisa.
He collects a total of 324 coins.

Can you tell me how many number of 20-paisa and 25-paisa he got?

Find the value of "?" in the ball picture Riddle below:

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

Count the number of balls in picture below:

A mules travels the same distance daily.
I noticed that two of his legs travels 10km and the remaining two travels 12km.
Obviously two mules legs cannot be a 2km ahead of the other 2.

The mules is perfectly normal. So how come this be true ?

What work can one never finish?

If your uncle’s sister is not your aunt, what relation is she to you?

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

John went to a parrot shop in Mexico, and the parrot owner told him that his parrot is so unique that he repeats everything he hears. John got excited and immediately bought the parrot. John went home and spoke many words, but the parrot does not repeat anything.
He went again to the parrot shop and complaint to the shopkeeper, but the shopkeeper never lied. Explain?