Question

Ramesh invested Rs. (x + 200) in Scheme A at a simple interest rate of 20% p.a. for 2 years, and the interest received is Rs. 800. He then invested Rs. 3x in Scheme B at a rate of R% p.a. (simple interest), and the total amount received from Scheme B after 2 years is Rs. 7020. Find the value of R.

A 36%
B 15%
C 42%
D 24%
E None of these
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