Twenty frogs are sitting on a log floating on the surface of a river. Two of them decide to jump off into the water.

How many frogs are there on the log at this moment?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

While going to your grandmother's house, you counted Twenty houses on the right side. While returning back to your home, you counted Twenty houses on the left side.

How many houses are there between your home and your grandmother's home?

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

What does the following BrainBat signifies?

ABCDEFGHIJKLMNOPQRSTUVWYZ

QQQQQQQQQQQQQQQQQQQQQQQQQ.

Pronounced as one letter,
And written with three,
Two letters there are,
And two only in me.
I am double, I am single,
I am black blue and grey,
I am read from both ends,
And the same either way.

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?