BALLS ARE DROPPED FROM THE ROOFOF A TOWER AT A REGULAR FIXEDINTERVAL OF TIME.AT THE MOMENT WHEN NO 9 BALL REACHES THE GROUND , THE NO n BALL IS 3/4 HEIGHT OF TOWER.FIND n.SIR,PLEASE EXPLAIN THIS QUESTION BRIEFLY BECAUSE I ALWAYS FIND THESE KIND OF QUESTIONS DIFFICULT.THANKSRGS
vardaan kumar , 14 Years ago
Grade 11