1. Mathematics 10th Standard –

     Arithmetic Sequence –

                 part 1.  https://www.youtube.com/watch?v=gG1qQLZ6Ix0

                Part 2.  https://www.youtube.com/watch?v=e374Kt8zQEY

                Part 3. https://www.youtube.com/watch?v=lCGRjIZu7R0

                Part 4. https://www.youtube.com/watch?v=lr3U8X5lVzY

                part 5. https://www.youtube.com/watch?v=c18-S-cJzS8

                Part 6. https://www.youtube.com/watch?v=a2bvWtXatxU

                Part 7. https://www.youtube.com/watch?v=OmYnQAb7mh0

  2. Circle :

                Part 1. https://www.youtube.com/watch?v=J-sWItMK4EQ

                Part 2. https://www.youtube.com/watch?v=p_28DSXyjJk

                Part 3. https://www.youtube.com/watch?v=BSsjqucytJk