13 decks of cards have been mixed. What is the minimum number of cards that must be taken out from the above-mixed cards to guarantee at least one 'four of a kind?

Can you complete the sequence puzzle?

AR TA GE CA LE VI LI _

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

The measurement of time, That can't be found on a clock, But can be looked upon on a map.

Who is He ?

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

I travel all around the world but always stay in the corner. What am I?

On a magical land of Mexico , all the animal in the land are rational.

There are 10 tigers and one goat.
Tiger can eat goat but since it's a magical land , the tiger who eats the goat , turns into goat and then can be eaten by the remaining tiger(s).

If we leave them for some time then how many goat and tiger will be there , when we come back ?

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?

Can you find out which number multiplied by itself will give the output as 12345678987654321?