Question

9. Deepika borrowed rs 1000 from Megha at 10% p.a. simple interest. After some time, Megha got rs 1050.
Calculate the time.
10. At what rate of simple interest will rs 4500 amount to rs 5400 in 3 years?
SOLE with full solution ​

Answer 1

Step-by-step explanation:

10.

principal=4500

Amount=5400

simple interest=amount- principal

s.i=900

s.i=P*t*r/100

900=4500*3*rate/100

900=135*rate

900/135=rate

6.666%

approximately 7%