Even if I have read the content of a chapter ie:- (Rational numbers) and watched the videos and done the reviews, the progress bar never reaches 100%. Why? 

Dear Student,

Thanks for trusting our services & letting us know your concern. We would like to inform you that the bars you can see just beside each lesson does not turn green rather tracks your performance by showing just started/ almost there and hence the bars starts turning yellow as you proceed with that lesson. The percentage would also change once you've gone through the lesson thoroughly.

Hope your doubts are cleared!

For any further assistance on Meritnation and our offerings, do feel free to get in touch with us on 011 40705050/ care@meritnation.com

Best of Luck!

Namrata Jha