Ambiguous (Question:341515.0)

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TRINA DAS

· started a discussion

· 1 Months ago

Ambiguous (Question:341515.0)

The question states "principal becomes 5 times after 5 years" i.e. principal + interest for five years= 5 times of principal => interest for five years = 4 times of principal.
But your answer assumes "when principal becomes 5 times interest will also be 5 times".
Actually the question is not properly explained.

Question:

The simple interest on a sum of money for 10 years is Rs 3130. If the principal becomes 5 times after 5 years, then what will be the total interest (in Rs) obtained after 10 years?

Options:

6260

7825

9390

15650

Solution:

S.I of 10 years = Rs 3130

$∴$ S..I of 1 year = $\frac{3130}{10} = R s 313$

S..I of 5 year = $313 \times 5 = R s 1565$

When principal becomes 5 times interest will also be 5 times

So, Interest of next 5 years = $1565 \times 5 = R s 7825$

$∴$ Total Interest = (7825+1565) = Rs 9390

Suyash More

· commented

· 1 Months ago

u r r8

IQBAL KHAN

· commented

· 1 Months ago

wrong solution

arvind kumar

· commented

· 1 Months ago

exactly

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