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Madhya Pradesh Police Exam Model Paper 3
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© examsnet.com
Question : 56
Total: 100
At what rate per annum with simple interest will any money becomes thrice in 12.5 years?
8%
16%
12%
20%
Validate
Solution:
Concept used:
R
=
(
I
×
100
)
/
(
P
×
T
)
A
=
P
+
I
Where R = rate of interest, P = principal, I = interest
T = time and A = Amount
Calculation
:
Let P = 100 than A = 300
I
=
300
−
100
=
200
1
R
=
(
200
×
100
)
/
(
100
×
12.5
)
⇒
R
=
200
/
12.5
∴ Rate of interest is 16%
© examsnet.com
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