Who Invented Traffic Signal ? December 15, 2019 by Rimpa A) Lewis Edson Waterman B) Levi Strauss C) Percy LeBaron Spencer D) Garrett Augustus Morgan View AnswerOption – D. Similar QuestionsSource of river Mahanadi ?Which among the following command is used to implement view stateMoortidevi Award is presented for contribution to _____Where is Panch Mahal situatedA person gives 1/4 of his property to his daughter, 1/2 to his sons and 1/5 for charity. How much has he given away?Manideep purchases 30kg of barley at the rate of 11.50/kg and 20kg at the rate of 14.25/kg. He mixed the two and sold the mixture in the shop. At what price per kg should he sell the mixture to make 30% profit to him ?The ancient name of North Bihar wasIs Arun taller than Sachin ? I. Dinesh is of the same height as Arun and Sachin. II. Sachin is not shorter than Dinesh.Who is the inventor of printing press?The sum of the present ages of a father and his son is 70 years. Five years ago, father’s age was 5 times the age of the son, so now the son’s age will be?