You are a cab driver who pools passengers. You pick 3 people from a destination and drop 1 after an hour. 2 people climb aboard at the same time and you drop 3 at the next destination. After some time, you pick 2 passengers only to drop 1 after a short distance where 3 more passengers climb up the cab. You leave the rest of the passengers one by one to their destination and then come back home.

Can you tell the eye color of the cab driver?

John and Jenni are a married couple. They have two kids, one of them is a girl. Assume safely that the probability of each gender is 1/2.
What is the probability that the other kid is also a girl?

Hint: It is not 1/2 as you would first think.

How many times can you subtract the number 5 from 25?

How is a fly different from a mosquito?

Why is the Hole below a Lock?

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

I have a head like a cat and feet like a cat, but I am not a cat. What am I?

Who is that with a neck and no head, two arms and no hands? What is it?

A number can be multiplied by multiple of nine
i.e 9 18 27 36 45 ...

and the resulting number consist of only one digit.

Can you identify the number ?

If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?