Can you find the six hidden animals in the picture below?

John is the son of Jacob.
So,
Jacob is the_____of John's father?

Two fathers and two sons went fishing one day. They were there the whole day and only caught 3 fish. One father said, that is enough for all of us, we will have one each. How can this be possible?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

You Throw The Outside, Cook The Inside
Eat The Outside, Throw The Inside.

What Is It?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

I know a 5-digit number having a property that With a 1 after it, it is three times as large as it would be with a one before it.

Guess the number?

You have two rectangular wires.

Both of them have property that when you light the fire from one end , it will take 60 minutes to get completely burn.

However, they do not burn at consistent speed (i.e it might be possible 1st 20% burn in 50 minutes and 80% can burn in 10 minutes).

So how could you measure 45 minutes ?

What is the four-digit number in which the first digit is one-third the second, the third is the sum of the first two, and the last is three times the second?