It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

In the image given, you can find several triangles. Can you count them all?

Which is Odd One Out and why?

4377

3954

9862

8454

9831

What common phrase is represented by the below lines

Easy going:
Weak, 'I'm going.'
Tough, 'I'm staying.'

Medium going:
Weak, 'I'm going.'
Tough, 'I'm staying.'

Tough going:
Weak, 'I can't do it, I'm staying!'
Tough, 'Let's get going.'

You bought me for dinner but never eat me. What am I?

I am a five-letter word under you,
Remove the first letter and I am above you,
Remove the second as well and I am around you.

Who am I?

All of the flowers I have are orchids except two. All of the flowers I have are hibiscuses except two. All of the flowers I have are roses except two.

Can you tell me how many flowers I have?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

When you stop to look, you can always see me. But if you try to touch me, you can never feel me. Although you walk towards me, I remain the same distance from you. What am I?