There are two major types of problems while programming. Firstly how to break down a bigger problem into set of smaller problems. Secondly how to solve small pr

There are two major types of problems while programming. Firstly how to break down a bigger problem into set of smaller problems. Secondly how to solve small problems quickly and efficiently. Large scale design question represent the former. Type three interview questions test the later. While raw IQ may he correlating with it this is not what big tech companies are looking for IMHO.