There is a brick of gold and a brick of iron in a boat (both 10-inch blocks), if they are both dropped into the water which will make the water level higher?

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

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.

I shave every day, but my beard stays the same. What am I?

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

There is a hypothetical state between the USA and Mexico border 'Tango'.
Here 70 percent of the population have defective eyesight, 75 percent are hard of hearing, 80 percent have Nose trouble and 85 percent suffer from allergies, what percentage (at a minimum) suffer from all four ailments?

What kind of band never plays music?

It is always ahead of me yet I can never see it. What is it?

I add 5 to 9 and get 2. The answer is correct, so what am I?

They are three errirs in this question. Can you find them?