Why is a river so rich ?

Who are the happiest people in IPL match?

Considering the below equation:

V + II - VI = 10
IV - X + VIII = 20
IV - VII + VI = 30

Then, I + II + III = ?

I am first found in caves, now prolific online; I am a depiction, a drawing, a symbol, or sign. I will convey whichever mood you could wish; or for that matter, a fist, flask, or fish. What am I?

You knock a Table over in the library, and suddenly 20 eyes are looking at you.

Three playing cards in a row. Can you name them with these clues? There is a two to the right of a king. A diamond will be found to the left of a spade. An ace is to the left of a heart. A heart is to the left of a spade. Now, identify all three cards.

I’m tall when I’m young, and I’m short when I’m old. What am I?

Replace the question mark with the correct number in the below-given picture?

In the image below, can you find the value of an angle(y)

There is a box full of marbles,
all but two are blue,
all but two are green,
and all but two are red.

How many marbles are in the box?