Question

What is the principal?
I. The simple interest obtained on the principal after 2 years at 16% rate of interest is Rs 140.8 less than the compound interest obtained on the same principal after 2 years at 16% per annum.
II. The sum becomes double in 10 years at 6% per annum.
III. The compound interest obtained on the principal is Rs 1,830.4 after 2 years at the rate of 8% compounded annually.

Q: Answer-What is the principal? I. The simple interest obtained on the principal after 2 years at 16% rate of...

From I Given D 140.8 T 2 years and rate 16 D PR100 140.8 P 256100 100 P 140.4 100 100256 Rs 55,000 From II We cannot find the exact amount of principal. From III CI 3660.8 T 2 years , rate 16 We can find the principal from this statement easily. Hence, either statement I or statement III is sufficient to answer the question.