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vinay kumar

· started a discussion

· 1 Months ago

The solution provided doesn't make sense.

Knowledge Expert

· commented

· 1 Months ago

Dear student,
Please refer video solution.
Keep learning,
Team TR
suman

· started a discussion

· 1 Months ago

THE SOLUTION GIVEN IS WRONG AND THE RIGHT OPTION IS ALSO NOT GIVEN

Question:
At the rate of simple interest per annum, the interest on a certain sum of money for 10 years will be \(\cfrac{2}{5}\) part of the amount. The rate of simple interest is:
Options:
A) \(4\cfrac{1}{2}\)%
B) 5%
C) \(6\cfrac{2}{3}\)%
D) 7%
Solution:
Ans: (c)

Let principal be P, amount be A and interest be I.

A = P + I


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