Question

Rs. (x + 800) is invested at 12% simple interest per annum for 5 years. The interest earned is Rs. (x - 320). If Rs. (x - 400) is invested at 8% simple interest per annum for 4 years, how much less will the interest earned be compared to the previous interest earned?

A Rs.1250
B Rs.1165
C Rs.1168
D Rs.1025
E None of these
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