About This Cheat Sheet

Complete guide to Simple Interest for competitive exams: basic definition of Simple Interest (SI = P × R × T / 100), principal (P), rate of interest (R), time period (T), amount formula (A = P + SI), finding principal when interest, rate and time given, finding rate when principal, interest and time given, finding time when principal, interest and rate given, problems on simple interest with different time periods (months, days conversion), problems on simple interest with different rates for different years, problems on simple interest where principal changes over time, problems on amount becoming certain multiple in given years, problems on simple interest in installments, problems on difference between simple interest of two different rates, problems on simple interest when money is lent at simple interest and recovered in installments, and shortcut tricks for SSC, Banking, Railway, UPSC, and other government exams.