BA LLB Banaras Hindu University 2018 Solved Paper

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Question : 128 of 170

Marks: +1, -0

If in

3 {yr}

at simple interest, the principal increases by

18 \%

, what will be the compound interest earned on ₹ 25000 in

3 {yr}

at the same rate?

$₹ 4775.4$
$₹5775.4$
$₹4557.4$
$₹5575.4$

Solution:

Given, amount

(A)=\;{118}/{100} ×

Principle

(P)

∴ \;{118}/{100} × P=P(\;{1 × r × 3}/{100}+1)

[ ∵ t=3 {yr}]

⇒ \;{118}/{100}=\;{3 r}/{100}+1

∴

Required CI

\;\; =25000[(1+\;{6}/{100})^{3}-1]

\;\; =25000[(\;{106}/{100})^{3}-1]

\;\; =25000[1.191016-1]

\;\; =25000 × 0.191016

\;\; =₹ 4775.4

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