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vivek

· started a discussion

· 1 Months ago

this is too much students ask to elaborate and every time u cut copy paste the solution . sir this is not fair tell the basic funda . how it gets 200%

Question:
A sum of money becomes 3 times in 5 years at simple interest. In how many years will the same sum become 6 time at the same rate of simple interest?
Options:
A) 10 years
B) 12 years
C) 12.5 years
D) 10.5 years
Solution:
Ans: (c)

The sum of money gets three times means  200% is being added to the original sum(principal) in 5 years

So, 500% will be added in 12 and ½ years.

Knowledge Expert

· commented

· 1 Months ago

since amount= 3* principal
i.e. amount = principal+ 2* principal
i.e. interest= 2* principal =200 % of principal

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