Can you count the number of triangles in the given picture?

The more of this there is, the less you see. What is it?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

what's the probability of getting a king or a queen from a pack of 52 cards?

What does this mathematical rebus means ?

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 ?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

How many times can you subtract the number 5 from 25?

In which direction should the missing arrow point?

What is wrong in the below Picture?