June 6, 2024 by AdminA man goes to a place at 20 mph and returns at 30 mph. What is the average speed?20 mph24 mph26 mph29 mph Show Correct AnswerExplanation : Related posts:If the radius of a circle is increased by 10% then what is the percentage increase in the area?A train is 500 ft long and it has a speed of 500 ft/min. How long will it take to cross a bridge of 750 ft?A work is to be done by 15 labors working 44 hours in a week. 4 person become ill. How many hours will be needed in a week for the remaining workers to do it?If x:ya:b, x = 6, y = 5 and a = 36, then b = ?