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Question

Neha invested Rs. (x + 400) in Scheme A at a simple interest rate of 10% p.a. for 3 years, and she received Rs. 900 as interest. She then invested Rs. 2x in Scheme B at R% p.a. simple interest, and the total amount she received from Scheme B after 4 years is Rs. 9360. Find the value of R.

A 36%

B 16%

C 42%

D 20%

E None of these

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