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?

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

Lifeless eyes on my smiling face and watch your child's sleeping place. In their dreams they hold me tight. What am I?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

Solve the equation in the image by looking at the pattern closely.

Count The number of F's in the paragraph below:

"FINISHED FILES ARE THE RESULT OF YEARS OF SCIENTIFIC STUDY COMBINED WITH THE EXPERIENCE OF YEARS"

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

What do you see in the given picture?