Question

what some will amount to rs. 6,600 in four years at 8%per annum simple interest​

Answer 1

Answer:

p=Principal amount

n=Number of years

r=rate of interest

Total amount=p+

100

p×n×r

Total amount=6600

n=4 years

r=8% p.a

We have to find the principal amount

⇒6600=p+

100

p×4×8

⇒6600=p+

100

32p

⇒6600=p+

25

8p

=

⇒165000=33p

⇒p=5000