Question

the difference between compound interest and simple interest on a certain sum for 2 years @ 10% per annum is rupees 20 what is the sum invested?​

Answer 1

Answer:

INTREST=20

TIME=2years

RATE=10%

PRINCIPAL=

$\frac{i \times 100}{r \times t}$

$\frac{20 \times 100}{2 \times 10}$

$\frac{2 \times100}{2 \times 1}$

$\frac{200}{2}$

=100

PRINCIPAL(SUM)=100