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?

Solve the riddle below:

If a Chicken says, 'All chickens are liars" is the chicken telling the truth?

We have four gears with below features=> Both Gear A and D has 60 teeth=> Gear B has 40 teeth=> Gear C has 20 teeth=> Every two minutes, Gear B makes 25 full turns.What is the relative speed of Gear A and Gear B?

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

What is the word or phrase below?
R | E | A | D

John drives to his office at 20km/hr. After reaching the office, he realizes that today is a holiday. He went back at an average speed of 30km/hr. Discounting the time spent in the stoppage what was the average speed of his journey?

Solve the following series:
AZ, GT, MN, __, YB

Which is faster, Heat or Cold ? Explain.

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?