A man has eighty-one cows ( numbered 1,2,3...81 as such). The beauty is that cow no. 1 gives 1ltr of milk, cow no. 2 gives 2ltrs of milk and so on. The man wants to equally distribute the cows among his nine sons so that each one of them gets the same quantity of milk.

Count the Triangle in the figure given below:

In a university, a professor gave a set of three problems to the three brilliant students of his class. See the image for the questions.

What shoe company does this rebus represent?

2, 3, 5, 9, 17, _ What is the next number in the sequence?

There is something which is always coming but never arrives?

Can you tell a 3D object that has just two surfaces?

What kind of tree can you carry in your hand?

You measure my life in hours
I serve you by expiring
I vanish faster when I am thin
and slower when I am thick
The wind is my energy
What am I?

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98