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P & Q borrowed Rs. 40000 and 60000 from ...

P & Q borrowed Rs. 40000 and 60000 from R at different rate of interest . If the interest given by P after 4 years and interest given by Q after 3 years is same, and Interest of P & Q in 1 year is 8400.Find at what Rate of interset Q borrowed the money from R.

A

7%

B

8%

C

9%

D

10%

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