why number 8549176320 is one of a kind?

Why is the longest human nose just 11 inches?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

Find out the number of circles in the given picture having Illusion

Only one colour, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

Can you complete the sequence puzzle?

AR TA GE CA LE VI LI _

John was piloting a plane behind a car but was never able to overtake it. Why?

What does a man do only once in his lifetime, but women do once a year after they are 29?

A man hijacks an aeroplane transporting both passengers(8 of them) and valuable cargo. After taking the cargo, the man demands nine parachutes, puts one of them on, and jumps, leaving the other eight behind. Why did he want eight?

Count the number of triangles in the below picture?