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Sourav Mahato

· started a discussion

· 1 Months ago

Right Solution (Question: 108112.0 )

For 10 years the interest amount is 2/5 th of Amount
So for 1 yr interest is 2/5*1/10 = 1/25 th of amount = 4%

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


Knowledge Expert

· commented

· 1 Months ago

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

Sumit Sharma

· commented

· 1 Months ago

SI= 2/5 of amount..so principle would be 5-2 =3 ..rest will b calculated by formula..si=(p*R*T)/100
so (3*r*10)/100=2 ,we get r=20/3 %

NIHAR PRADHAN

· commented

· 1 Months ago

interest is calculated on amount not principal.

vinay kumar

· commented

· 1 Months ago

you're right

Deepak VRD

· commented

· 1 Months ago

Interest will be calculated on principle and not on amount

Raj Yaman

· commented

· 1 Months ago

Indeed

kundan kumar

· commented

· 1 Months ago

Yet to be approved!

Vishal Rathee

· commented

· 1 Months ago

bhai amount de rakha h principal nahi
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