How to calculate internal marks
https://www.youtube.com/watch?v=VKEfTja4O5Y&list=PLWbi1a6RFAusUKeqlS0f3ayXF6Uf5qJsC&index=1
This video contains the calculating method of internal marks in easy way with a gradual step by step procedure.
Please subscribe this YouTube channel for updates
https://www.youtube.com/channel/UC3H2V1b6kyE-vOpUMlCpVrQ/featured
