Aptitude Maths / Aptitude LCM & HCF Divisibility Progressions Number Systems Problems on Trains Time and Distance Height and Distance Time and Work Simple Interest Compound Interest Profit and Loss Partnership Percentage Problems on Ages Calendar Clock Average Area Volume and Surface Area Permutation and Combination Numbers Problems on Numbers Decimal Fraction Simplification Square Root and Cube Root Surds and Indices Ratio and Proportion Chain Rule Pipes and Cistern Boats and Streams Alligation or Mixture Logarithm Races and Games Stocks and Shares Probability True Discount Banker’s Discount Odd Man Out and Series