17. The simple interest on a certain sum of money
at 10% per annum is * 6,000 in 2 years.
Find :
(i) the sum.
(ii) the amount due at the end of 3 years and
at the same rate of interest compounded
annually.
Answers
Answered by
0
Answer:
(i) I = Rs 6,000, T = 2 years and R = 10%
∴P=
R×T
I×100
=
10×2
6000×100
=Rs 30,000
(ii) P = Rs 30,000, n = 3 years and r = 10%
A=P(1+
100
r
)
n
=3000(1+
100
r
)
3
=3000(
10
11
)
3
=3000×
10
11
×
10
11
×
10
11
=Rs.39,930
(iii) C.I. earned in 3 years = A−P=Rs.(39,930−30,000)
= Rs. 9,930
Answered by
8
Si = 6,000
(p*10*2)/100 = 6,000
p = 6,000*5
p = 30,000
A = P [ 1+10/100]^3
A = 30,000 [1331/1000]
A = 36,630
ci = A-P
CI = 36,630 - 30,000
CI = 6,630
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