*The difference between simple interest and compound interest at the rate of 10% for two years on an amount is Rs. 20. Find the principal value?*
1️⃣ ₹.100
2️⃣ ₹ 200
3️⃣ ₹. 20000
4️⃣ ₹ 2000
Answers
Answered by
0
Explanation:
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Answered by
1
Answer:
Correct option is
A
10
P=Rs.20,000
n=2
Let the rate be r
then
SI=
100
P×r×t
SI=
100
20000×r×2
CI=P[(1+
100
r
)
n
−1]
CI=20000[(1+
100
r
)
2
−1]
⟹CI−SI=200
⟹20000[(1+
100
r
)
2
−1−
100
2r
]=200
⟹20000[
10000
r
2
]=200
⟹r=10
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