hi!

As the exam carries a marks maximum  of 100, the ACET exam passing criteria 2019 is 50% of the maximum marks and therefore is equivalent to 50 marks.For mathematics and statistics part, i the study material provided by IAI (ACTED Study Material - FAC and STATS PACK),  it is sufficient.

For vocab refer, Word Power Made Easy - by Norman lewis.
For quant and DI Arun Sharma book is good.