the principal and interest for 10 years amount to ₹900 . If the interest is 4/5 of the principal, find the rate of interest.
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Answers
Answered by
2
Answer:
simple interest=
(*principle*rate of interest*time )/100
Step-by-step explanation:
4/5=(900*R*100)/100
4/5=(90000*R)/100
4/5=900*R
R=(900*5)/4
R=112.5%
Answered by
0
Answer:
Rate of interest, r = 10% =
100
10
=0.1
Time period, t⇒3years.
number of times compounded yearly, n = 1.
compounded interest = Rs 993.
∴ Amount A = principal + compound interest
= P + 993.
we know, A =P(1+
n
r
)
nt
P+993=P(1+
1
0.1
)
3
P+993=P(1.1)
3
P+993=1.331P.
⇒993=1.331P−P
⇒0.33P=993.
⇒P=
0.331
993
⇒P=Rs3000
Step-by-step explanation:
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