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

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

It's a protector.
It sits on a bridge.
One individual can see directly through it, while others wonder what it hides.

What is it?

Why is a river so rich ?

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?

You board a train. The train will have to enter a tunnel soon. You are claustrophobic. Which place is the best for you to sit?

Edward James went for tiger hunting.

It was not his lucky day.



He got six tigers without heads, nine tigers without the tail and eight cut in two halves.

How many tiger did he hunted ?

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

A Club organizes a Running Race, and John, Jacob, Minda, and Tony participated.

The results are as follows

John beats Jacob
Minda beats Toni
Toni beats John

Who came first in the race?