How many triangles can you find in this given picture?

Solve The below Equation:

ALFA + BETA + GAMA = DELTA

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

Can you find the odd number in the following five choices?

1) 482636
2) 259807
3) 865195
4) 104739
5) 391744

How old is your son? asked a man to his neighbour. My son is five times as old as my daughter and my wife is five times as old as my son. I am twice as old as my wife whereas my grandmother, who is celebrating her eighty-first birthday is as old as all of us put together.

How old is the man's son ?

I can sizzle like bacon,
I am made with an egg,
I have plenty of backbone, but lack a good leg,
I peel layers like onions, but still remain whole,
I can be long, like a flagpole, yet fit in a hole.

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

In the picture given below, can you find out which digit will take place of the question mark?

What am I?

Move three sticks of the spiral below to form a square.