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Quantitative Aptitude Formula Capsule OPERATIONS ON NUMBER HCF & LCM OF NUMBERS SIMPLIFICATION ALGEBRA PERMUTATION AND COMBINATION PROBABILITY AVERAGE SURDS AND INDICES PERCENTAGE PROFIT AND LOSS RATIO & PROPORTIONS TIME & WORK PIPES & CISTERNS TIME & DISTANCE PROBLEMS ON TRAINS BOATS AND STREAM SIMPLE AND COMPOUND INTEREST AREA AND VOLUME GEOMETRY – SECTION (TRIGNOMETRY)