Question

*The difference between simple interest and compound interest at the rate of 10% for two years on an amount is Rs. 20. Find the principal value?*

1️⃣ ₹.100
2️⃣ ₹ 200
3️⃣ ₹. 20000
4️⃣ ₹ 2000​

Answer 1

₹200

I hope helpful for you

Answer 2

simple interest= p×r×t/100= p×10×2/100= 20p/100

compound interest= p(1+r/100)²

= p(1+10/100)²

=p(11/10)²

=121p/100

C.I= A-P

= 121p/100 - p

=( 121p-100p)/100

= 21p/100

According to question

C.I-S.I= 20

21p/100-20p/100= 20

p/100= 20

p= 20×100= 2000