3rd video class 9th number system CBSE/OLYMPIAD

PRESENTING YOU SEVENTH VIDEO OF OUR CHANNEL .WELCOME TO OUR CHANNEL THIS CHANNEL IS YOUR ONE STOP SOLUTION FOR MATHMATICS OF CLASS 8TH ,9TH,10TH COMPLETELY FREE OF COST    • 1st video number system class 9th  CBSE/OL...   LINK FOR FIRST VIDEO INCASE YOU MISSED    • 2nd video number system class9th  CBSE /OL...   LINK FOR THE SECONED VIDEO INCASE YOU MISSED SECONED ONE