Only one colour, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

A family is trapped in a jungle. There is a bridge which can lead them to safety. But at one time, the bridge can only allow two people to pass through. Also, all of them are afraid of the dark and thus, they can't go alone.

Father takes 1 minute to cross, the mother takes 2 minutes, the son takes 4 and the daughter takes 5 minutes. While crossing the time taken will be according to the slower one. How can they all reach the other side in the minimum possible time?

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

The doctor advised his patient to take a tablet after every fifteen minutes. He gave him five tablets in total.

How much time will he take to have all the five tablets?

People make me, save me, change me, raise me. What am I?

The cream is heavier than Milk. True or False?

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

In the picture given below, can you find out which digit will take place of the question mark?

How can you make a TV, a bed, a dog, and a car liquid?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?