Amar had deposited ₹ 12000 in his saving account. He invested a part of it at 8% simple interest p.a. for 3 years and the remaining at 9% simple interest p.a. for 5 years. If the total interest earned is ₹4644, find the amount invested in each part.
Answers
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Answer:
₹20000
Step-by-step explanation:
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Peter invested an amount of Rs. 12,000 at the rate of 10 % p.a. simple interest and. another amount at the rate of 20 % p.a. simple interest. The total interest earned at the end of one year on the total amount invested became 14 % p.a. Find the total amount invested.
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Solution
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Correct option is A)
Let the second amount =x
⇒
100
12000×10×1
+
100
x×20×1
=
100
(12000+x)×14×1
⇒
100
120000
+
100
20x
=
100
168000+14x
⇒120000+20x=168000+14x
⇒20x−14x=168000−120000
⇒6x=48000
⇒x=8000
Hence total amount invested=12000+8000=20000Rs.
Answer:
ans is 3600 and 8400
Step-by-step explanation:
SI=PTR/100
x is 3600 and 12000-x is 8400
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