What two things can you never eat for breakfast?

Below, you can see three complete equations and one incomplete. Based on the three complete ones, can you complete the incomplete one?

5 $ 4 $ 3 $ 9 = 4215
6 $ 9 $ 2 $ 6 = 3816
4 $ 7 $ 3 $ 3 = 1122
7 $ 2 $ 7 $ 4 = ____

A cricket has 6 legs, a squirrel has 4 legs and a spider has 8 legs.

In a local zoo, it was found that the total number of legs is 612. Also, there are equal number of each of the above animals/insects.

Can you find out how many animals are there in the zoo?

The Little ant seems to be always confused. Do you know why?

Do You See It?

He loves to dance, twist and prance, he shakes his tail, and as a way he sails, wingless he flies into the sky. What is he?

What seven-letter word has hundreds of letters in it?

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?