Question

simple interest and compound interest
1-Satish finds that a fall of interest from 5% to 19/4% p.a. diminishes his yearly
income by Rs.80. what is the capital?​

Answer 1

Step-by-step explanation:

Let the capital be Rs. x

Then,

100

x×8×1

−

4×100

x×31×1

=61.50

⇒

100

8x

−

400

31x

=61.50

⇒

400

32x−31x

=61.50

⇒x=61.5×400= Rs. 24600