find the rate of interest if ₹25, 000 amounts to ₹43, 200 in 3 years, the interest being compounded annually.
answer is 20% ..please jldi koi solve krke do!
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Answer:
Correct option is
A
Rs. 10123.20
P = Rs. 25000, n = 3 years, r = 12% p.a
∴ Amount =P(1+
100
r
)
n
=Rs.25000×(1+
100
12
)
3
=Rs.25000×(
100
112
)
3
=Rs.25000×
25
28
×
25
28
×
25
28
=Rs.35123.20
∴ Compound interest =Rs.(35123.20−25000)=Rs.10123.20
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