If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

On a bus, there is a 26-year-old pregnant lady.
A 30-year-old policeman.
A 52-year-old random woman.
And the 65-year-old driver.

Who is the youngest?

The Puzzle: A girl, a boy, and a dog start walking down a road.

They start at the same time, from the same point, in the same direction.

The boy walks at 5 km/h, the girl at 6 km/h.

The dog runs from boy to girl and back again with a constant speed of 10 km/h. The dog does not slow down on the turn.
How far does the dog travel in 1 hour?

I look flat, but I am deep. Hidden realms I shelter. Lives I take, but the food I offer. At times I am beautiful. I can be calm, angry, and turbulent. I have no heart but offer pleasure as well as death. No man can own me, yet I encompass what all men must have. What am I?

If I put in one canary per cage, I have one bird too many. If I put in two canaries per cage, I have one cage too many. How many cages and canaries do I have?

Why is it very easy to weigh a fish?

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

Can you solve the maths in the below-given picture equation?

Can you calculate the probability of getting a sum of six when a dice is thrown twice?