Question

a sum of ₹1000 is invested at 8% simple interest at the end of 1, 2,3... years is the sequence of interest of an AP? find the interest of end of 30 year​

Answer 1

Answer:

2400

Step-by-step explanation:

amount =1000

interest=1000×

=80

interest after 2 year =2×1000×

100

8

=160

interest after 3 year =3×1000×

100

8

=240

I

3

−I

2

=I

2

−I

1

80=80

Thus, interest forms A.P.

I

30

=1000×

100

8

×30=2400

The interest at the end of 30 years is Rs.2400