There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

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?

You need to remove two matchsticks to make the below equation true. Can you do it ?

A car is crossing a 20 km-long bridge. The bridge can support at most 1500kg of weight over it. If somehow, the weight on the bridge becomes more than that, it will break.

Now, the weight of the car is exactly 1500kg. At the midway, a bird comes and sits on the roof of the car. This bird weighs exactly 200 grams.
Can you tell if the bridge breaks at this point or not?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

A father's child, a mother's child, yet no one's son.

Who am I?

Can you find out the remainder when 3^300 is divided by 5?

Which fur should we be getting from the Lion?

What do you see in the given picture?

As shown in the image, the nine Dogs are square fenced. By constructing just two square fences can you make sure that two Dogs cannot meet each other without crossing the fence?