GRE material guidance

I have solved ETS material as well as Manhattan 5LB book. Please suggest me book from where should I solve more questions as practice because my score is not increasing. Please help ASAP.

Manhattan has 1800 questions. ETS has 50 Quantitative problems in OG + 150 Quantitative problems in Quantitative Comparison. So, overall that brings the total to around 2000 problems. Hence, I don’t think that the quantity of questions is the reason why your score is not increasing.