Can you replace the question mark with the correct number?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

You have to put a letter on the following to make it a meaningful word. The only challenge is that you can't use 'E'.

S E Q U E N C _

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?

Today is John's birthday.
A year ago, John had five candles and he lit all the candles except the one at the last.
Now he is going to light all the candles.

How old is John Today?

(He is not five today.....)

When it's bad luck to meet a black cat?

Can you quickly find which two matchstick figures are identical?

Spot 5 differences in two Christmas tree below:

O_er_t_o_

Complete the missing letters of the given word.

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?