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
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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
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