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

Why 1729 is a magic number? Answer Logically.

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

Count the number of triangles in the picture below:

Find the missing number in the image below.

Identify the 10 differences between the two given pictures.

A man hijacks an aeroplane transporting both passengers(8 of them) and valuable cargo. After taking the cargo, the man demands nine parachutes, puts one of them on, and jumps, leaving the other eight behind. Why did he want eight?

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’ll find me on Mercury, Earth, Mars, Jupiter, Saturn, and Uranus. But never Neptune, or Venus. What am I?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.