This list is based on trends that previous year XAT’s have followed. For quant one can brush up following topics,

1. Arithmetic : Numbers, Clocks, TSD, Intrests
2. Algebra : Equations - Simple, Simultaneous, Quadratic, Maxima and Minima
3. Modern Math : Set theory, Probability, Progression, Logarithms
4 : Geometry : Circle, Triangle, Quadrilaterlals, Mensuration, Trigonometry
5. Higher Math : Integrals, Differentials
6. Data Sufficiency : Two statement based, Three Statement based
7. Tables, Bar charts, Pie charts.

Online Mock XAT papers are also available at TCY and Koolcareers. TCY also hosts some 100 tests on various topics of quant.