at what rate percent per annum simple interest will a sum treble itself in 16 years ?
Answers
Answered by
310
▶HEY, FRIEND! HERE'S UR ANSWER◀
Let, the SUM = Rs X and RATE = r%.
TIME (t) = 16 years.
Since, X tripled in 16 years,
INTEREST (I) = Rs (3X - X) = Rs 2X.
Now,
I = (S × t × r) / 100
⏩ 2X = (X × 16 × r) / 100
⏩ r = 50/4
▶▶ Rate = 12.5%
◀I HOPE THAT THIS HELPS YOU▶
Let, the SUM = Rs X and RATE = r%.
TIME (t) = 16 years.
Since, X tripled in 16 years,
INTEREST (I) = Rs (3X - X) = Rs 2X.
Now,
I = (S × t × r) / 100
⏩ 2X = (X × 16 × r) / 100
⏩ r = 50/4
▶▶ Rate = 12.5%
◀I HOPE THAT THIS HELPS YOU▶
Answered by
79
Answer:
Rs 12.5%
Step-by-step explanation:
Let Rsx be the sum, then according to question, the amount will be Rs3x. Then simple interest will be,
S.I.=Amount−Principle
=3x−x
=2x
The time is given as 16 years.
S.I.=
100
P×R×T
2x=
100
x×R×16
R=
x×16
2x×100
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R=12.5%
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