plz give the answer fast
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Find the interest earned from the 6th to the end of 7th years:
Number of years = 2
Interest = 568 - 520 = Rs 48
Find the interest per year:
Interest per year = 48 ÷ 2 = Rs 24
Find the interest for the first 5 years:
5 years = 24 x 5 = Rs 120
Find the principal amount:
Principal amount = 520 - 120 = Rs 400
Find the interest rate:
Interest rate = 24/400 x 100 = 6%
Answer: The principal amount is Rs 400. The interest rate is 6%
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