General Aptitude Question: what is the diode? General Aptitude Interview QuestionAnswer: diode is a two terminal device. It allows current to flow only in one direction. Previous QuestionNext Question10 years ago, the average age of a family of 4 members was 24 years. Tow children having been born (with age difference of 2 years), the present average age of the family is thesame. The present age of the youngest child is:Oshkosh did a study of the colors used in African national flags. He found that 38 flags have red, 20 have blue, 13 have both red and blue, and 8 have neither red nor blue. How many flagsa. have red but not blue?b. have blue but not red?c. were included in the study?