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Aptitude - Simple Interest - Discussion

Discussion Forum : Simple Interest - General Questions (Q.No. 3)
Simple Interest
3.
A sum fetched a total simple interest of Rs. 4016.25 at the rate of 9 p.c.p.a. in 5 years. What is the sum?
Rs. 4462.50
Rs. 8032.50
Rs. 8900
Rs. 8925
None of these
Answer: Option
Explanation:
Principal
= Rs. 100 x 4016.25
9 x 5
= Rs. 401625
45
= Rs. 8925.
Discussion:
61 comments Page 3 of 7.
Santhiya said:   3 years ago
Ans: 8925.

8925 * 9% = 803.25.
803.25 * 5 = 4016.25.
Look 4016.25 is matching. So, this answer is correct.
(14)
Vikash said:   5 years ago
Given,
S.I = 4016.25.

we know S.I = R*T%.
S.I = 9*5 = 45%.

45% - 4016.25.
100% - 4016.25*100/45 = 8925.
(7)
Anomie said:   6 years ago
P.C.P.A. Stands for Percent "Compounded" Per Annum. Then why simple interest is given in the question?
Swapna said:   10 years ago
Simple interest = P*T*R/100,

P = 100*S.I/T*R,

= 100*4016.25/5*9 = 8925.

Principal means sum here.
Bhaskar said:   1 decade ago
Why 9 is in denominator, The formula is P.R.T/100 and here the Rate and Time is in numerator ?
Karthick said:   6 years ago
Why we take 100?

I can't understand this problem. Please anyone explain this problem.
(1)
Prasad said:   4 months ago
SI = 4016
R = 9%p.a
T = 5yrs
P = ?
9 × 5 = 45%
45% = 4016.25
100% = ?
Ans = 8925.
(2)
Basil said:   6 years ago
P.C.P.A is percent compound per annum. Why is it using simple interest formula?
Lahari said:   1 decade ago
How to represent the time? For eg: If 2 years and 8 months like that given.
Muthumani said:   9 years ago
P=100 * SI / R * N.

Where, P - amount. R - rate. I - interest. N - year.
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