Why is the longest human nose just 11 inches?

How many triangles are there in the picture below?

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

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

A time long back, there lived a king who ruled the great kingdom of Trojan House. As a part of the renovation of the kingdom to meet future security needs, he asked his chief architect to lay down a new play in a manner that all of his 10 castles are connected through five straight walls and each wall must connect four castles together. He also asked the architect that at least one of his castles should be protected with walls. The architect could not come up with any solution that served all of King's choices, but he suggested the best plan that you can see in the picture below. Can you find a better solution to serve the king's demand?

How many bricks does it take to complete a building that is 15 feet wide, 30 feet deep, and 12 feet tall made of brick?

Find a 9-digit number, which you will gradually round off starting with units, then tenth, hundred etc., until you get to the last numeral, which you do not round off. The rounding alternates (up, down, up ...). After rounding off 8 times, the final number is 500000000. The original number is commensurable by 6 and 7, all the numbers from 1 to 9 are used, and after rounding four times the sum of the not rounded numerals equals 24.

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

Solve below popular number sequence
314 159 265 358 979 323 846 ?