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saurabh sharma

· started a discussion

· 1 Months ago

S.I -- 4*2 = 8%
C.I -- 4+4 * [(4*4)/100] => 8.16%

difference -- 8.16 - 8 = 0.16

this 0.16% = 1rs
so 100% will be 1/0.16 * 100 = 625rs

Question:

The difference between simple and compound interests compounded annually on a certain sum of money for years at 4% per annum is Rs.1. The sum (in Rs.) is –

Options:
A)

625

B)

630

C)

640

D)

650

Solution:

Ans: (a)

  

Avinash

· commented

· 1 Months ago

Difference = p(r/100)^2

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