How 2 = 0 || Can You Find The Mistake in Proof ?

How can you explain the existence of analogous organs ?

The base of a cylinder is a circle with radius r. How can you find the area of the base? How can you use this in your formula for the volume of a cylinder?

A and B solve an equation x^(2)+px+q=0. Insolving A commits a mistake in reading p and finds the roots 2 and 6 and B commits a mistake in reading q and finds the roots 2 and -9. Find the correct roots.

How can you make a building sound proof ?

How many triangles can you find in the diagram below ?

(a) A student observed a nerve cell and drawn the following figure. He did a mistake in labelling. Find out the mistake (b) Where would you find nerve cells ? What is the function of nerve cell ?