How many backlinks should I have to create in one day for the SEO?

Generally, a ranking of 60 to 100 is phenomenal, 40 to 50 is okay, and below 40 isn't great. If you want to build high-quality backlinks, then start by building links from high domain authority websites that are also relevant to your niche and trusted by searchers all over the Internet.

We can make 40 to 50 backlinks in one day

There is no limit in building backlinks to you website. Building niche related high quality backlinks matters.

The Segways is a two-wheeled self-balancing electric vehicle used as a convenient means of travel around cities and towns. The motorized scooter manages to stay upright thanks to gyroscopes and moves according to the direction in which the rider leans.

20 to 25 fine