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deepak

· started a discussion

· 1 Months ago

plz explain

Question:

With a given rate of SI the ratio of principal and amount for a certain period of time is 4 : 5. After 3 years, with the same rate of interest, the ratio of principal and amount becomes 5 : 7. The rate of interest is –

Options:
A)

4%

B)

5%

C)

6%

D)

7%

Solution:

Ans: (b)

  

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