These puzzles will test solvers' powers of logic, reasoning, ingenuity, and wordplay. Flex your mental muscle with some of the toughest nuts to crack, including

Using visuo-spatial and lateral thinking techniques, along with other mind-stretching methods of looking at test questions, this guide can help you get high sco

IQ i.e. Intelligent Quotient is an age related measure of intelligence level. Intelligence may be defined as the capacity to measure knowledge and understanding

IQ i.e. Intelligent Quotient is an age related measure of intelligence level. Intelligence may be defined as the capacity to measure knowledge and understanding

A guide to boosting your intelligence quotient and emotional intelligence (IQ and EQ) in just 21 days. It demonstrates how to exercise your brain in an appropri