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?

There are 3 apples in the basket and you take away 2. How many apples do you have now?

A frog is at the bottom of a 30-meter well. Each day he summons enough energy for one 3-meter leap up the well. Exhausted, he then hangs there for the rest of the day. At night, while he is asleep, he slips 2 meters backwards. How many days does it take him to escape from the well?

Which is the smallest number that you can write using all the vowels exactly once?

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?

A train leaves from point A for point B at 80 mph. After half an hour, another train leaves from point B for point A at 60 mph.

Which of the trains will be farther from point A when they meet ?

Before Mount Everest was discovered, what was the highest mountain in the world?

Doctor Alex and a bus driver John are both in love with the same woman named Olivia. The bus driver need to go for a long trip of 10 days, Before he left he gave Olivia 10 apples.

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

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