Question

At the rate of 20% compound interest, the principal amount after 2 years becomes ₹1440. What is the principal amount.? ​

Answer 1

Amount,A=Rs.1440Principal,P=Rs.1200Interest,I=Rs.(1440−1200)=240R=240×1001200×2=10%Alternatively,Wecangothroughathoughtprocessi.e.1200==20%↑(240in2years)⇒1400Thatmeans10%riseineachyear

Answer 2

Answer:

Amount A = RS

1440 principal p = RS

1200intertet ,I Rs

1440-1200=240 RS =240 x1

001200x2 = 10%