ratio and proportion part-2 by Ashish sir (score 193.5/200 cgl mains maths )

Please watch: "Become a master of English Grammar II 50 days special class II DAY 1 II PREPOSITION for SSC CGL" https://www.youtube.com/watch?v=7HpLCFbBlDw -~-~~-~~~-~~-~- in this lecture series ashish sir will be dealing with ratio and proportions this chapter is the base of all the most difficult chapters for ex percentage, simple interest ci, profit nd loss, alligation nd mixtures so watch complete series for complete information. for older videos go through the playlist: algebra:"https://www.youtube.com/playlist?list=PLesyu_gd_4THxb7fuJYruN4fA7pcIem8Y" ratio and proportion:"https://www.youtube.com/playlist?list=PLesyu_gd_4THfb7PvuK2CJIoWmjFPDjAw" profit and loss:"https://www.youtube.com/playlist?list=PLesyu_gd_4TENiYSK83yTFhqRAw28cAn-" percentage:"https://www.youtube.com/playlist?list=PLesyu_gd_4TFK-4TBuhOn7XdMPETVFQNJ" number system:"https://www.youtube.com/playlist?list=PLesyu_gd_4TFueCoyZfkrzs2ivWk7gD7D"