Maths Resources HELP

GRE Quant Problem Solving
1

So, does anyone know any website or youtube channels that have solved each chapter from Manhattan 5lb book? Especially the Maths section that goes chapter-wise.

Please let me know

2

https://greprepclub.com/forum/the-5-lb-book-of-gre-practice-problems-2nd-edition-8820.html#p18050