Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

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?

A 52% bias toss for head using the 51% tail bias coin was done to obtain a fair result.

Can you find how bias is the floor in this case?

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

Joseph buys three kinds of chocolates for 100 rupees. The first one is priced at 5 rupees, second one at 3 rupees and third one at 0.5 rupees.

If he bought 100 chocolates in total, how many pieces do you think he bought each chocolate?

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?

The first person saw the bridge step on it and crossed,
the second person saw the bridge did not step on it but crossed,
the third person did not see the bridge did not step on it but crossed.
Who are these people?

The dirtier I get, the whiter I look. Who am I?

Which Burger Is Different in below image?