Question

(a) 12%.
2. If the ratio of the principal and amount (principal + interest) is 20:21,
then the rate of interest per annum is
(b) 51%
(c) 6% (d) 6 %.
(a) 5%
to interest becomes a
for​

Answer 1

7

=4x:

5

7

5

28x

5

28x

..

S.I. after 3 years = Rs (

5

28x

5

3x

4x×3

5

3x

×100

=5% p.a.