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?

Below, you will find the mathematical proof that 10 equals 9.99999?. But is that possible or there is something wrong about it? Can you find the error?

x = 9.999999...
10x = 99.999999...
10x - x = 90
9x = 90
x = 10

When it is alive we sing, when it is dead we clap our hands. What is it?

Something Extraordinary happened on May 6th 19778 at 12:34am what was that?

What happened when the wheel was invented?

Can you find out the next digit in the following series ?

0, 0, 1, 3, 2, 6, 3, 9, 4, 12, 5, ?

What makes this number unique: 8,549,176,320?

Can you replace the question mark with the correct number in the below table sequence?

What has a bottom at the top?

what does this picture(rebus) riddle means ?