RRB NTPC Syllabus For Quantitative Aptitude
Simplification	Surd and Indices
Number Series  M.IMP	Profit and Loss     M.IMP.
Percentage     M.IMP.	Simple and Compound Interest    M.IMP.
Ratio and Proportion	Time and Work    M.IMP.
Time, Speed and Distance  M.IMP	Pipes and Cisterns     IMP
Average     IMP.	Boats and Streams    IMP.
Geometry and Mensuration     M.IMP.	Probability
Permutation and Combination	Pie Chart     IMP.
Bar Graph	Line Graph     IMP.
Trigonometry    M.IMP.	Linear Equations
Number Systems     M.IMP.	Mixture and Allegation    M.IMP.
Square Root	Discount     IMP.