SSCSSC VideosSCIENCE MOST IMPORTANT QUESTIONS / WRITTEN EXAM MOCK TEST /DELHI POLICE /SSC /RAILWAY - Videos November 7, 201710169Facebook Twitter Google+ Pinterest WhatsApp Most common questions of physics, chemistry, and, biology source
13
14
option bro
12 ka answer
13/15
12
13 right hai sir
Sir ase video or diya kro qus. or bda sakte ho
Nice प्रेजेंटेशन
Good