These are the topics I know that is required to learn for MAT clearance..you can go for Sarvesh K Verma's Arihant what I am preparing or you may go for NCERT as well..
• Arithmetic
• Algebra
• Geometry
• Number System
• Modern Mathematics
• Higher Maths
• Mensuration
• Trigonometry
• HCF & LCM
• Arithmetic Progression
• Arithmetic Mean
• Geometric Progression
• Geometric Mean
• Harmonic Mean
• Median
• Mode
• BODMAS
• Ratio and Proportion
• Percentage
• Average
• Partnership
• Time, Speed, Distance
• Work and Time
• Profit and Loss
• Installments and Payments
• Partnership
• Clocks
• Work and Time
• Pipe and Cisterns
• Lines
• Angles and Triangles
• Cubes and Cones